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Lower Anatomy
Quiz #4
272
Anatomy
Professional
02/01/2008

Additional Anatomy Flashcards

 


 

Cards

Term

 

 

 

What is the ventral sacroiliac ligament?

Definition

 

 

 

anterior thickening of the sacroiliac joint capsule

Term

 

 

 

what are the four attachments of the sacrotuberous ligament

Definition

 

 

 posterior superior iliac spine

posterior inferior iliac spine

dorsolateral surface of the sacrum

dorsolateral surface of the coccyx

Term

 

 

 

 what is the insertion of the sacrotuberous ligament

Definition

 

 

 

ischial tuberosity

Term

 

 

 

what ligament closes the lesser sciatic notch and what does it form

Definition

 

 

 

 sacrotuberous ligament

forms the lesser sciatic foramen

Term

 

 

 

what are the medial attachements of the sacrospinous ligament

Definition

 

 

 

dorsolateral margin of the inferior one-half of the sacrum

dorsolateral margin of the coccyx

Term

 

 

 

what is the lateral attachment of the sacrospinous ligament

Definition

 

 

 

 

ischial spine

Term

 

 

 

what ligament closes the greater sciatic notch and what does it form

Definition

 

 

 

sacrospinous ligament

forms the greater sciatic foramen

Term

 

 

 

between what two structures does the inguinal ligament run

Definition

 

 

 

ASIS

Pubic Tubercle

Term

 

 

 

the hip and thigh are divided by what structure anteriorly

Definition

 

 

 

 

inguinal ligament

Term

 

 

 

another name for the inguinal ligament

Definition

 

 

 

 

pouparts ligament

Term

 

 

 

how are the lacunar and inguinal ligaments differintiated

Definition

 

 

 

 

lacunars is most medial where the direction of the fibers change and pass inferiorly

Term

 

 

 

what is the lacunar ligament

Definition

 

 

 

 

the most medial portion of the inguinal ligament where the fibers change direction and pass inferiorly

Term

 

 

 

what is another name for the lacunar ligament

Definition

 

 

 

gimbernats ligament

Term

 

 

 

what is the pectineal ligament

Definition

 

 

 

 

extension of the lacunar ligament along the pubic pectineal line

Term

 

 

 

what is another name for the pectineal ligament

Definition

 

 

 

 

coopers ligament

Term

 

 

 

 this is the most medial portion of the inguinal ligament

Definition

 

 

 

 

lacunar ligament

Term

 

 

 

 this is an extension of the lacunar ligament

Definition

 

 

 

 

pectineal ligament

Term

 

 

 

 this runs on the pubic pectineal line

Definition

 

 

 

 

pectineal ligament

Term

 

 

 

what are the two bands of the iliolumbar ligament

Definition

 

 

 

 

upper and lower band

Term

 

 

 

what are the two attachments of the upper band of the iliolumbar ligament

Definition

 

 

 

 

anterior aspect of the 5th lumbar vertebra

posterior part of the internal lip of the iliac crest

Term

 

 

 

what are the attachments for the lower band of the iliolumbar ligament

Definition

 

 

 

 

anterior aspect of the 5th lumbar vertebra

anterolateral aspect of the sacrum superiorly

Term

 

 

 

what are the two parts of the dorsal sacroiliac ligament

Definition

 

 

 

 

long dorsal sacroiliac ligament

short dorsal sacroiliac ligament

Term

 

 

 

what are the attachments for the long dorsal sacroiliac ligament

Definition

 

 

 

 

from the lateral crests of the 3rd and 4th sacral vertebrae to the superior iliac spine

Term

 

 

 

what are the attachments of the short dorsal sacroiliac ligament

Definition

 

 

 

 

from the intermediate and lateral crests of 1st and 2nd sacral vertebrae to the posterior superior iliac spine and the internal lip of the iliac crest posteriorly

Term

 

 

 

what are the attachments of the interosseous sacroiliac ligament

Definition

 

 

 

 

from the sacral tuberosity to the iliac tuberosity

Term

 

 

 

what is the deep fascia that covers most of the obturator foramen

Definition

 

 

 

 

obturator membrane

Term

 

 

 

what does the obturator membrane close and what does it form

Definition

 

 

 

closes the obturator groove to form the obturator canal

Term

 

 

 

what passes through the obturator canal

Definition

 

 

 

 

obturator nerve

obturator artery

Term

 

 

 

what are the two function of the obturator membrane

Definition

 

 

 

 

closes obturator canal

allows for muscular attachment

Term

 

 

 

what are the attachements of the superior pubic ligament

Definition

 

 

 

 

from one pubic tubercle to the other

Term

 

 

 

 what are the attachments for the arcuate pubic ligament

Definition

 

 

 

 

from ingerior pubic ramus to inferior pubic ramus

Term

 

 

 

this blends with the interpubic discs inferiorly

Definition

 

 

 

 

arcuate pubic ligament

Term

 

 

 

 

what provides stability to the superior and inferior ends of the pubic symphysis

Definition

 

 

 

 

superior = superior pubic ligament

 

inferior = arcuate pubic ligament

Term

 

 

 

these two structures stabilize the pubic symphysis

Definition

 

 

 

 superior pubic ligament

arcuate pubic ligament

Term

 

 

 

what are the articulation points for the sacroiliac joint

Definition

 

 

 

between the auricular surface of the ilium and the auricular surface of the sacrum

Term

 

 

 

what vertebral levels are involved in the sacroiliac joint

Definition

 

 

 

 

S-1 through S-3

Term

 

 

 

 what are the articular surfaces of the sacroiliac joint covered with

Definition

 

 

 

 

fibrocartilage

Term

 

 

 

what forms across the sacroiliac joint with age

Definition

 

 

 

 

adhesions

Term

 

 

 

where do the capsules of the sacroiliac joints attach

Definition

 

 

 

 

at the margins of each surface

Term

 

 

 

what is the structural classification of the sacroiliac joint

Definition

 

 

 

 

synovial planar

Term

 

 

 

where is the sacroiliac joint located

Definition

 

 

 

between the lateral masses of the sacrum and the posterior portion of the iliac alae

Term

 

 

 

what is the functional classification of the sacroiliac joint

Definition

 

 

 

 

functional diarthrosis

Term

 

 

 

what is the intrinsic ligament of the sacroiliac joint

Definition

 

 

 

 

ventral sacroiliac ligament

Term

 

 

 

 this ligament is thicker at the pelvic brim and arcuate line

Definition

 

 

 

 

ventral sacroiliac ligament

Term

 

 

 

 what are the extrinsic ligaments of the sacroiliac joint

Definition

 

 

 

interosseous sacroiliac ligament

dorsal sacroiliac ligament

Term

 

 

 

this ligament is sometimes considered a syndesmosis

Definition

 

 

 

 

interosseous sacroiliac ligament

Term

 

 

 

this ligament is seperated from the joint capsule by the interosseous sacroiliac ligament

Definition

 

 

 

 

dorsal sacroiliac ligament

Term

 

 

 

this ligament reinforces the sacroiliac joint posteriorly

Definition

 

 

 

 

dorsal sacroiliac ligament

Term

 

 

 

what are the accessory ligaments of the sacroiliac joint

Definition

 

 

 

 sacrospinous ligament

sacrotuberous ligament

Term

 

 

 

these ligaments prevent superior rotation of the pelvic bone on the sacrum during weight bearing

Definition

 

 

 

sacrospinous ligament

sacrotuberous ligament

Term

 

 

 

where is the articulation located for the pubic symphysis joint

Definition

 

 

 

between the symphyseal surfaces of the pubic bodies

Term

 

 

 

the joint surfaces of the pubic symphysis is covered by what

Definition

 

 

 

 

hyaline cartilage

Term

 

 

 

what does the hyaline cartilage of the pubic symphysis blend with

Definition

 

 

 

with the central pad of fibrocartilage , the interpubic disc

Term

 

 

 

what is one of the functions of the pubic symphsis

Definition

 

 

 

 

provides partial attachment for some thigh muscles

Term

 

 

 

what is the structural classification of the pubic symphysis

Definition

 

 

 

 

fibrous syndesmosis joint

Term

 

 

 

what is the functional classification of the pubic symphysis

Definition

 

 

 

 

functional amphiarthrosis

Term

 

 

 

 what are the two ligaments of the pubic symphysis

Definition

 

 

 

superior pubic ligament

arcuate pubic ligament

Term

 

 

 

what are the origin and insertion of the iliacus muscle

Definition

 

 

 

O: superior iliac fossa

I: Lesser trochanter of the femur

Term

 

 

 

what is the course of the iliacus muscle

Definition

 

 

 

travels inferiorly and passes anteriorly over the hip joint and through the muscular lacuna to its insertion

Term

 

 

 

What is the action of the iliacus muscle

Definition

 

 

 

 

flex the thigh

Term

 

 

 

 

what is the innervation of the iliacus

Definition

 

 

 

 femoral nerve

from dorsal divisions of ventral rami L-2,L-3,L-4

Term

 

 

 

what are the divisions of the femoral nerve that innervate the iliacus muscle

Definition

 

 

 

dorsal division of ventral rami

L-2, L-3, L-4

Term

 

 

 

 what is the arterial supply for the iliacus muscle

Definition

 

 

 

muscular branches of common, internal and external iliac arteries

Term

 

 

 

what is the origin and instertion of the psoas major muscle

Definition

 

 

 

O: T-12 through L-5

I: lesser trochanter of the femur

Term

 

 

 

what is the course of the psoas major muscle

Definition

 

 

 

travels inferolaterally joins the tendon of iliacus muscle and passes anterior to the hip joint and through the muscular lacuna to its insertion

Term

 

 

 

what is the action of the psoas major muscle

Definition

 

 

 

flex the thigh

Term

 

 

 

what is the innervation of the psoas major muscle

Definition

 

 

 

dorsal division of ventral rami L-2, L-3, L-4

Term

 

 

 

when is the psoas major muscle innervated

Definition

 

 

 

 

as the branches leave the spinal cord

Term

 

 

 

 what is the arterial supply of the psoas major muscle

Definition

 

 

 

muscular branches of the common, internal, and external iliac arteries

Term

 

 

 

what is the iliopsoas muscle

Definition

 

 

 

 

the combination of the iliacus muscle and the psoas major muscle oftern considered one muscle that flexes the thigh

Term

 

 

 

what are the nerve branches in the nerve plexuses

Definition

 

 

 

 

all ventral rami

Term

 

 

 

what are the possible break downs of the nerve plexuses

Definition

 

 

all the following are possible

 

single = lumbosacral plexus

two = lumbar plexus and sacrococcygeal plexus

three = lumbar plexus, sacral plexus, coccygeal plexus

Term

 

 

 

what rami make up the lumbar plexus

Definition

 

 

 

ventral rami of L-3 through L-3

contribution from ventral rami of T-12 and L-4

Term

 

 

 

what are the divisions of most ventral rami

Definition

 

 

 

most have dorsal and ventral divisions

Term

 

 

 

where is the lumbar plexus located at

Definition

 

 

 

 lies within the psoas major muscle just anterior to the transverse processes of the vertebral bodies

Term

 

 

 

what type of a nerve is the subcoastal nerve

Definition

 

 

 

 

sensorimotor nerve

Term

 

 

 

 what does the subcoastal nerve supply in the lower limb

Definition

 

 

 

cutaneous supply only in lower limb

supplies superior anterolateral aspect of the thigh

Term

 

 

 

what spinal level does the subcostal nerve come from

Definition

 

 

 

 

T-12

Term

 

 

 

This nerve is usually not considered part of the lumbar  plexus

Definition

 

 

 

 

subcostal nerve

Term

 

 

 

what type of nerve is the iliohypogastric

Definition

 

 

 

 

sensorimotor nerve

Term

 

 

 

what does it supply in the lower limb

Definition

 

 

 

cutaneous supply only in the lower limb

posterolateral gluteal skin

Term

 

 

 

what spinal level and division does the iliohypogastric come from

Definition

 

 

 

 

ventral division of L-1

Term

 

 

 

what is the course of the iliohypogastric nerve

Definition

 

 

 

pierces the psoas major muscle near the kidney and passes within the abdominal wall, inferior to the subcostal nerve, to reach the posterolateral gluteal skin

Term

 

 

 

what type of nerve is ilioinguinal nerve

Definition

 

 

 

 

sensorimotor nerve

Term

 

 

 

what and what type of supply does the ilioinguinal nerve have in the lower limb

Definition

 

 

 

cutaneous supply only in lower limb

supplies skin of superior medial thigh

Term

 

 

 

 

what spinal level and division does the ilioinguinal nerve come from

Definition

 

 

 

ventral division of L-1

Term

 

 

 

what structures does the ilioinguinal nerve travel on and through

Definition

 

 

 

on the inguinal ligament and through the inguinal canal

Term

 

 

 

what type of nerve is the gentiofemoral nerve

Definition

 

 

 

sensorimotor nerve

Term

 

 

 

what are the two branches of the gentiofemoral nerve and what do they supply

Definition

 

 

 

 

genital branch = part of external genitalia

Femoral branch = skin of anterior superior thigh

Term

 

 

 

what type of supply does the gentiofemoral nerve provide in the lower limb

Definition

 

 

 

 

cutaneous supply only

Term

 

 

 

what division of what spinal levels does the gentiofemoral nerve come from

Definition

 

 

 

 

ventral divisions of L-1 and L-2

Term

 

 

 

where does the genital branch of the gentiofemoral nerver run

Definition

 

 

 

passes medially along the inguinal ligament to supply part of the external genitalia

Term

 

 

 

 where does the femoral branch of the gentiofemoral nerve run

Definition

 

 

 

 passes deep to the inguinal ligament with the femoral artery through the vascular lacuna to supply the skin of the anterior superior thigh

Term

 

 

 

what nerve does the femoral branch of the gentiofemoral nerve possibly aid or replace

Definition

 

 

 

 

intermediate femoral cutaneous nerve

Term

 

 

 

what type of nerve is the lateral femoral cutaneous nerve

Definition

 

 

 

 

sensory nerve

Term

 

 

 

what type of supply does teh lateral femoral cutaneous supply in the lower limb

Definition

 

 

 

cutaneous supply only in lower limb

Term

 

 

 

from what divisions and spinal levels does the lateral femoral cutaneous come from

Definition

 

 

 

 

dorsal divisions of L-2 and L-3

Term

 

 

 

what is the course of the lateral femoral cutaneous nerve

Definition

 

 

 

pierces the psoas major laterally and courses along the iliac fossa anterior to the iliacus muscle to enter the thigh anterolaterally near the attachment of the inguinal ligament on the ASIS and supplies anterolateral aspect of thigh

Term

 

 

 

what divisions and spinal levels do the nerves to psoas major muscle come from

Definition

 

 

 

dorsal divisions of L-2 through L-4

Term

 

 

 

What type of supply do the nerves to psoas major muscle give off

Definition

 

 

 

 

motor supply to the muscle

Term

 

 

 

do the nerves to the psoas major exit the pelvis and are they branches of the femoral n

Definition

 

 

 

no and no

Term

 

 

 

what divisions and spinal nerves does the nerve to the iliacus come from

Definition

 

 

 

dorsal divisions of L-2 through L-4

Term

 

 

 

what type of supply does the nerve to the iliacus provide

Definition

 

 

 

motor supply to the muscle

Term

 

 

 

what is the nerve to iliacus muscle of branch of

Definition

 

 

 

small branch off femoral

Term

 

 

 

what is the course of the nerve to iliacus muscle

Definition

 

 

 

passes directly into iliacus without exiting the pelvis

Term

 

 

 

what type of nerve is the femoral nerve

Definition

 

 

 

sensorimotor nerve

Term

 

 

 

what divisions and spinal levels does the femoral nerve come from

Definition

 

 

 

dorsal divisions of L-2 through L-4

Term

 

 

 

what are the cutaneous nerve branches that come from the femoral nerve

Definition

 

 

 intermediate femoral cutaneous

medial femoral cutaneous

saphenous nerve

Term

 

 

 

what type of branches does the femoral nerve give off

Definition

 

 

muscular branches to the thigh

articular branches to the hip and knee joints

cutaneous nerve branches

Term

 

 

 

what type of nerve is the obturator nerve

Definition

 

 

 

sensorimotor nerve

Term

 

 

 

what divisions and spinal levels does the obturator nerve come from

Definition

 

 

 

ventral divisions of L-2 through L-4

Term

 

 

 

what branches does the obturator nerve give off

Definition

 

 

muscular branches to the thigh

articular branches to the hip and knee joints

cutaneous branch to medial aspect of thigh

Term

 

 

 

what type of nerve is the accessory obturator nerve

Definition

 

 

 

 

sensorimotor nerve

Term

 

 

 

what divisions and spinal levels does the accesory obturator nerve come from

Definition

 

 

 

ventral divisions of L-3 and L-4

Term

 

 

 

what percent of the population has an accessory obturator nerve

Definition

 

 

 

8%

Term

 

 

 

when present what muscle does the accesory obturator nerve supply

Definition

 

 

 

pectineus muscle

Term

 

 

 

what branches does the accessory obturator nerve give off

Definition

 

 

muscular supply to pectineus muscle

articular branch to the hip joint

joins obturator nerves cutaneous supply

Term

 

 

 

what divisions and spinal levels does the lumbosacral trunk come from

Definition

 

 

 

ventral divisions of (part)L-4 and (entire)L-5

Term

 

 

 

what joint does the lumbosacral trunk cross

Definition

 

 

 

sacroiliac joint anteriorly at the pelvic brim

Term

 

 

 

what plexus does the lumbosacral trunk join

Definition

 

 

 

sacral plexus

Term

 

 

 

what rami and spinal levels contribute to the sacral plexus

Definition

 

 

 ventral rami of L-5 through S-3

contributions form ventral rami L-4 and S-4

Term

 

 

 

What type of nerve is the superior gluteal nerve

Definition

 

 

 

motor nerve

Term

 

 

 

what divisions and spinal levels does the superior gluteal nerve come from

Definition

 

 

 

dorsal divisions of L-4, L-5, S-1

Term

 

 

 

where does the superior gluteal nerve exit the pelvis

Definition

 

 

 

via the greater sciatic foramen

Term

 

 

 

what muscles does the superior gluteal nerve supply

Definition

 

 

 

gluteus minimus, gluteus medius, tensor fascia lata muscles

Term

 

 

 

what type of nerve is the inferior gluteal nerve

Definition

 

 

 

motor nerve

Term

 

 

 

what divisions and spinal levels does the inferior gluteal nerve come from

Definition

 

 

 

dorsal divisions of L-5, S-1, S-2

Term

 

 

 

what muscle does the inferior gluteal nerve supply

Definition

 

 

 

 

gluteus maximus muscle

Term

 

 

 

what divisions are spinal level does the nerve to piriformis muscle come from

Definition

 

 

 

dorsal division of S-2

Term

 

 

 

how does nerve to piriformis muscle exit the pelvis

Definition

 

 

 

it does not exit the pelvis it passes directly into the muscle before exiting the pelvis

Term

 

 

 

what is the major formation of the sacral plexus

Definition

 

 

 

 

sciatic nerve

Term

 

 

 

what type of nerve is the sciatic nerve

Definition

 

 

 

sensorimotor nerve

Term

 

 

 

what divisions and spinal levels does the sciatic nerve come from

Definition

 

 

 

dorsal divisions of L-4 through S-2

ventral divisions of L-4 through S-3

Term

 

 

 

where does the sciatic nerve exit the pelvis at

Definition

 

 

 

via the greater sciatic foramen

Term

 

 

 

what are the two compartments of the sciatic nerve

Definition

 

 

common fibular nerve/

common peroneal nerve (lateral portion)

tibial nerve (medial portion)

Term

 

 

 

what type of a nerve is the common fibular nerve

Definition

 

 

 

sensorimotor nerve

Term

 

 

 

what divisions and spinal levels does the common fibular nerve come from

Definition

 

 

 

dorsal divisions of L-4, L-5, S-1, S-2

Term

 

 

 

what is the lateral portion of the sciatic nerve

 

Definition

 

 

 

common fibular nerve

Term

 

 

 

where does the common fibular nerve provide innervation to

Definition

 

 

muscular to thigh and leg

articular to knee and proximal tibiofibular joints

cutaneous branches

Term

 

 

 

what are the cutaneous branches of the common fibular nerve

Definition

 

 

superficial fibular nerve

deep fibular nerve

lateral cutaneous nerve of the calf

sural communicating nerve

Term

 

 

 

what type of nerve is the superficial fibular nerve

Definition

 

 

 

sensorimotor

Term

 

 

 

what divisions and spinal levels does the superficial fibular nerve come from

Definition

 

 

 

dorsal divisions of L-4, L-5, and S-1

Term

 

 

 

where does the superficial fibular nerve provide innervation to

Definition

 

 

 

anterolateral aspect of the leg and ankle, and most of the dorsum of the foot

Term

 

 

 

what type of a nerve is the deep fibular nerve

Definition

 

 

 

sensorimotor nerve

Term

 

 

 

what divisions and spinal levels does the deep fibular nerve come from

Definition

 

 

 

dorsal divisions of L-5, S-1, S-2

Term

 

 

 

where does the deep fibular nerve supply

Definition

 

 

 

1st web space and adjacent sides of the 1st and 2nd toes

Term

 

 

 

what type of a nerve is the lateral cutaneous nerve of the calf

Definition

 

 

 

sensory  nerve

Term

 

 

 

what divisions and spinal levels does the lateral cutaneous nerve of the calf come from

Definition

 

 

 

 

dorsal divisions of L-5, S-1, S-2

Term

 

 

 

where does the lateral cutaneous nerve of the calf supply

Definition

 

 

 

 proximal 2/3 of the lateral aspect of the leg

Term

 

 

 

what type of nerve is the sural communicating nerve

Definition

 

 

 

sensory nerve

Term

 

 

 

from what divisions and spinal leves does the sural communicating nerve come from

Definition

 

 

 

dorsal divisions of S-1 and

S-2

Term

 

 

 

what type of a nerve is the tibial nerve

Definition

 

 

 

sensorimotor nerve

Term

 

 

 

from what divisions and spinal levels does the tibial nerve come from

Definition

 

 

 

ventral divisions of L-4, L-5, S-1, S-2, S-3

 

Term

 

 

 

what is the medial portion of the sciatic nerve

Definition

 

 

 

tibial nerve

Term

 

 

 

what are the terminal branches of the tibial nerve

Definition

 

 

 

 

medial and lateral plantar nerves

Term

 

 

 

where does the tibial nerve enter the foot

Definition

 

 

 

through the porta pedis after dividing into its terminal branches

Term

 

 

 

where does the tibial nerve provide innervation to

Definition

 

 

 muscular to knee and leg

articular to knee and ankle joionts

cutaneous branches

Term

 

 

 

what are the cutaneous branches of the tibial nerve

Definition

 

 

sural nerve

lateral calcaneal nerve

medial calcaneal nerve

Term

 

 

 

what type of nerve is the sural nerve

Definition

 

 

 

sensory nerve

Term

 

 

 

from what divisions and spinal levels does the sural nerve come from

Definition

 

 

 

ventral divisions of S-1 and S-2

Term

 

 

 

what area does the sural nerve supply

Definition

 

 

 small area on posterior of leg

posterolateral aspect of ankle

lateral aspect of foot

lateral half of fifth toe

Term

 

 

 

what type of nerve is the medial calcaneal nerve

Definition

 

 

 

sensory nerve

Term

 

 

 

from what divisions and spinal levels does the medial calcaneal nerve come

Definition

 

 

 

ventral divisions of S-1 and S-2

Term

 

 

 

what nerve pierces the flexor retinaculum

Definition

 

 

 

medial calcaneal nerve

Term

 

 

 

what is the branch of the sural nerve

Definition

 

 

 

lateral calcaneal nerve

Term

 

 

 

what type of nerve is the lateral calcaneal nerve

Definition

 

 

 

sensory nerve

Term

 

 

 

from what divisions and spinal levels does the lateral calcaneal nerve come from

Definition

 

 

 

dorsal and ventral divisions of S-1 and S-2

because of sural communicating nerve

Term

 

 

 

what type of nerve is the posterior femoral cutaneous nerve

Definition

 

 

 

sensory nerve

Term

 

 

 

what divisions and spinal levels does the posterior femoral cutaneous nerve come from

Definition

 

 

 dorsal divisions of S-1, S-2

Ventral divisions of S-2, S-3

Term

 

 

 

where do the dorsal and ventral divisions of the posterior femoral cutaneous nerve lie

Definition

 

 

dorsal lie near the inferior gluteal nerve divisions

 

ventral lie near the pudendal nerve divisions

Term

 

 

 

where does the posterior femoral cutaneous exit the pelvis at

Definition

 

 

 

greater sciatic foramen

Term

 

 

 

what area does the posterior femoral cutaneous supply

Definition

 

 

 

cutaneous supply to the posterior thigh and calf

Term

 

 

 

what is the branch of the posterior femoral cutaneous

Definition

 

 

 

inferior gluteal nerves

Term

 

 

 

what divisions and spinal level do the inferior gluteal nerves come from

Definition

 

 

 dorsal divisions of S-1, S-2

 

Ventral divisions of S-2, S-3

Term

 

 

 

what type of nerve is the perforating cutaneous nerve

Definition

 

 

 

sensory nerve

Term

 

 

 

what divisions and spinal levels does the perforating cutaneous nerve come from

Definition

 

 

 

dorsal divisions of S-2 and S-3

Term

 

 

 

where does the perforating cutaneous nerve exit the pelvis at

Definition

 

 

 

exits the pelvis by piercing the sacrotuberous ligament

Term

 

 

 

where does the perforating cutaneous nerve reenter the pelvis at

Definition

 

 

 

lesser sciatic forament

Term

 

 

 

what area does the perforating cutaneous nerve innervate

Definition

 

 

 

small area of the inferior medial aspect of the buttock and the medial gluteal fold

Term

 

 

 

what type of nerve is the pudendal nerve

Definition

 

 

 

sensorimotor nerve

Term

 

 

 

what divisions and spinal levels does the pudendal nerve come from

Definition

 

 

 

ventral divisions of S-2, S-3, S-4

Term

 

 

 

where does the pudendal nerve exit and reenter the pelvis at

Definition
Term

 

 

 

exits at the inferomedial part of the greater sciatic foramen reenters the pelvis via the lesser sciatic foramen

Definition
Term

 

 

 

where does the pudendal nerve supply and what type of innervation is it

Definition

 

 

 

motor to structures of the urogenital triangle

sensory innervation to reproductive organs

Term

 

 

 

what type of nerve is the nerve to obturator internus and superior gemellus muscles

Definition

 

 

 

motor nerve

Term

 

 

 

what divisions and spinal levels does the nerve to the obturator internus and superior gemellus muscles come from

Definition

 

 

 

ventral divisions of L-5, S-1, S-2

Term

 

 

 

wher does the nerve to the obturator internus and superior gemellus muscles exit and reenter the pelvis

Definition

 

 

 

exits via the greater sciatic foramen

reenters via the lesser sciatic foramen

Term

 

 

 

what nerve does the nerve to the obturator internus and superior gemellus muscles reenter the pelvis with

Definition

 

 

 

pudendal nerve

Term

 

 

 

where and what kind of innervation is provided by the nerve to obturator internus and superior gemellus muscles provide

Definition

 

 

 

motor to the obturator internus and superior gemellus muscles

Term

 

 

 

what type of nerve is the nerve to quadratus femoris and inferior gemellus muscles

Definition

 

 

 

sensorimotor nerve

Term

 

 

 

what divisions and spinal levels does the nerve to quadratus femoris and inferior gemellus muscles come from

Definition

 

 

 

ventral divisions of L-4, L-5, S-1

Term

 

 

 

where does the nerve to quadratus femoris and inferior gemellus muscle exit the pelvis at

Definition

 

 

 

via greater sciatic foramen

Term

 

 

 

where and what type of innervation is provided by the nerve to quadratus femoris and inferior gemellus muscles

Definition

 

 

 

motor to quadratus femoris and inferior gemellus

articular to hip joint

Term

 

 

 

what type of nerve are the pelvic splanchnic nerves

Definition

 

 

 

parasympathetic fibers

Term

 

 

 

from which spinal levels do the pelvic splanchnic nerves come

Definition

 

 

 

S-2, S-3, S-4

parasympathetic

Term

 

 

 

what do the pelvic splanchnic nerve supply innervation to

Definition

 

 

 

pelvis viscera

Term

 

 

 

what type of innervation does the coccygeal plexus provide

Definition

 

 

 

muscular and cuatneous innervation

Term

 

 

 

from what divisions and spinal levels does the coccygeal plexus come

Definition

 

 

 

ventral divisions of S-4, S-5, Co-1

Term

 

 

 

what are the branches of the coccygeal plexus

Definition

 

 

 

sacral muscular branches

cutaneous branches

Term

 

 

 

what spinal level does the sacral muscular branches come from

Definition

 

 

 

S-4

Term

 

 

 

where and what type of innervation is provided by the sacral muscular branches

Definition

 

 

 

motor innervation to levator ani, coccygeus and external anal sphincter muscles

Term

 

 

 

where do the cutaneous branches supply

Definition

 

 

 

skin over the coccyx and posterior to anus

Term

 

 

 

where does the abdominal aorta bifurcate at and what are its branches

Definition

 

 

 

at vertebral level L-4

the 2 common iliac arteries

Term

 

 

 

what is the other branch of the abdominal aorta

Definition

 

 

 

median sacral artery

Term

 

 

 

where does the median sacral artery branch from and what does it supply

Definition

 

 

 

from the abdominal aorta just proximal to bifurcation

sends small branches to the rectum

Term

 

 

 

at what level do the common iliac arteries bifurcate and what are the names of the branches

Definition

 

 

at vertebral level L-5

bifurcates into internal and external iliac arteries

Term

 

 

 

what does the common iliac arteries send branches to

Definition

 

 

 

sends branches to the psoas major and iliacus muscles

Term

 

 

 

the external iliac artery becomes this artery at what point

Definition

 

 

 

becomes the femoral artery when it enters the thigh deep to the midpoint of the inguinal ligament

Term

 

 

 

what muscle does the external iliac artery follow

Definition

 

 

 

psoas major muscle

Term

 

 

 

what are the branches of the external iliac artery

Definition

 

 

 

deep circumflex iliac artery

inferior epigastric artery

Term

 

 

 

what does the deep circumflex iliac artery anastomose with

Definition

 

 

 

iliolumbar and superior gluteal arteries

Term

 

 

 

where does the deep circumflex artery run

Definition

 

 

 

arises laterally just prior to the inguinal ligament and psses superolaterally along the deep side of the ligament oto reach the ASIS

Term

 

 

 

what does the inferior epigastric artery anastomse with

Definition

 

 

 

superior epigastric artery

Term

 

 

 

what is significant about the anastomsis between superior and inferior epigastric arteries

 

 

Definition

 

 

 

it can provide collateral circulation between the subclavian artery and the external iliac artery

Term

 

 

 

where does the inferior epigastric artery arise at

Definition

 

 

 

just prior to the inguinal ligament and medial to the deep circumflex iliac artery

Term

 

 

 

the medial branch of the common iliac artery

Definition

 

 

 

internal iliac artery

Term

 

 

 

what does the internal iliac artery bifurcate into and where does this happen at

Definition

 

 

bifurcates into posterior and anterior trunks

 

bifurcates at the greater sciatic foramen

Term

 

 

 

what does the internal iliac artery supply

Definition

 

 

 

psoas major and iliacus muscles

Term

 

 

 

what is the direct continuation of the internal iliac artery

Definition

 

 

 

anterior trunk of the internal iliac arterty

Term

 

 

 

where does the anterior trunk run

Definition

 

 

 

passes toward the ischial spine

Term

 

 

 

what is the most lateral branch of the anterior trunk

Definition

 

 

 

obturator artery

Term

 

 

 

where does the obturator artery exit the pelvis

Definition

 

 

 

via the obturator canal with the obturator nerve

Term

 

 

 

what is the other anatomical position we may see the obturator artery in and what percentage of time do we see this

Definition

 

 

 

it may also be a branch of the external iliac artery about 40% of the time

Term

 

 

 

what are the two branches of the obturator artery

Definition

 

 

 

anterior branch of the obturator artery

posterior branch of the obturator artery

Term

 

 

 

what is the largest terminal branch of the obturator artery

Definition

 

 

 

anterior branch of obturator artery

Term

 

 

 

what does the anterior branch of obturator artery supply

Definition

 

 

 

medial compartment thigh and obturator externus muscles

Term

 

 

 

what does the posterior branch of obturator artery anastomse with

Definition

 

 

 

anterior branch and inferir gluteal artery

Term

 

 

 

what does the posterior branch of obturator artery supply

Definition

 

 

medial compartment thigh muscles

posterior compartment thigh muscles proximally at ischial tuberosity

branches to hip joint

Term

 

 

 

what is the terminal division of the anterior trunk

Definition

 

 

 

inferior gluteal artery

Term

 

 

 

what does the inferior gluteal artery anastomse with

Definition

 

 

 superior gluteal, obturator, internal pudendal, and medial femoral circumflex arteries

Term

 

 

 

where does the inferior gluteal artery exit the pelvis at

Definition

 

 

 

via greater sciatic foramen intermediate to ventral rami of S-1 and S-2 or S-2 and S-3

Term

 

 

 

What does the inferior gluteal artery supply before and after it exits the pelvis

Definition

 

 

before = piriformis muscle

 

after = gluteal region muscles and sciatic nerve

Term

 

 

 

what is the terminal branch of the anterior trunk

Definition

 

 

 

internal pudendal artery

Term

 

 

 

what does the internal pudendal artery supply

Definition

 

 

 

sacral plexus, obturator internus muscle, piriformis muscle, external genitalia

Term

 

 

 

where does the internal pudendal artery exit and reenter the pelvis at

Definition

 

 

 

exits via the greater sciatic foramen

reenters via the lesser sciatic foramen

Term

 

 

 

what are the immediate branches of the anterior trunk of the internal iliac artery

Definition

 

 

obturator artery

inferior gluteal artery

internal pudendal artery

pelvic branches

Term

 

 

 

what are the immediate branches of the posterior trunk of the internal iliac artery

Definition

 

 

 iliolumbar artery

lateral sacral artery

superior gluteal artery

 

Term

 

 

 

what is the course of the iliolumbar artery

Definition

 

 

 

arises anterior to sacraliliac joint and passes superolaterally in the pelvis

 

Term

 

 

 

what does the iliolumbar artery anastomse with

Definition

 

 

superior gluteal

deep circumflex iliac

lateral femoral circumflex

Term

 

 

 

what is the terminal branch of the posterior trunk

Definition

 

 

 

 

lateral sacral artery

Term

 

 

 

what does the lateral sacral artery supply

Definition

 

 

 

sacral ala

Term

 

 

 

 

what is the largest branch from either trunk

Definition

 

 

 

 

superir gluteal artery

Term

 

 

 

this is usually a direct continuation of the posterior trunk

Definition

 

 

 

superior gluteal artery

Term

 

 

 

where does the superior gluteal artery exit the pelvis

Definition

 

 

 

via greater sciatic foramen intermediate to lumbosacral trunk and S-1 ventral ramus

Term

 

 

 

what does the superior gluteal artery supply before and after it exits the pelvis

Definition

 

 

 

before = piriformis and obturator internus

 

after = the three gluteal muscles

Term

 

 

 

what does the superior gluteal artery anastomse with

Definition

 

 

deep circumflex iliac

medial and lateral femoral circumflex

inferior gluteal a

Term

 

 

 

where does the IVC begin

Definition

 

 

 

at union of common iliac viens at spinal level L-5

Term

 

 

 

on which side of spinal column does the IVC travel

Definition

 

 

 

usually the right side

Term

 

 

 

where does the common iliac vein begin

Definition

 

 

 

at union of internal and external iliac veins at pelvic brim

Term

 

 

 

which common iliac is shorter

Definition

 

 

 

right one is shorter

Term

 

 

 

what is the anatomical position of the common iliac veins in relationship to their arteries

Definition

 

 

 right = posterolateral to the artery

 

left = posteromedial to the artery

Term

 

 

 

where does the external iliac vein begin

Definition

 

 

 

posterior to the inguinal ligament

Term

 

 

 

what is the anatomical relationship of the external iliac vein to its artery

Definition

 

 

 

lies medial to artery distally

lies posterior to artery proximally

Term

 

 

 

what drains into the external iliac vein and where do they enter at

Definition

 

 

 

vena comitates of teh deep circumfles iliac and inferior epigastric arteries enter near origin

Term

 

 

 

where does the internal iliac vein begin

Definition

 

 

 

 

at the superior margin of the greater sciatic foramen

Term

 

 

 

what is the anatomical position of the internal iliac vein in relationship to its artery

Definition

 

 

 

generally lies posterior to artery

Term

 

 

 

what comes together at the beginning of the internal iliac vein

Definition

 

 

 

vean comitantes of the anterior and posterior trunks unite

Term

 

 

 

what lies along the external iliac veins

Definition

 

 

 

external iliac lymph nodes

Term

 

 

 

what drains into the external iliac lymph nodes

Definition

 

 

superficial and deep inguinal lymph nodes, iliac fossa and anterior part of the capsule of the hip joint

Term

 

 

 

 what lies along the internal iliac vein

Definition

 

 

 

 

internal iliac lymph nodes

Term

 

 

 

 what do the internal iliac lymph nodes drain

Definition

 

 

 

pelvic viscera, gluteal region, posterior lateral and medial aspects of the hip joint

Term

 

 

 

what lies along the common iliac veins

Definition

 

 

 

common iliac lymph nodes

Term

 

 

 

what drains into the common iliac lymph nodes

Definition

 

 

 

internal and external iliac lymph nodes

Term

 

 

 

what lies along IVC on posterior abdominal wall

Definition

 

 

 

 

lumbar lymph nodes

Term

 

 

 

what drains into lumbar lymph nodes

Definition

 

 

 

 

common iliac lymph nodes

Term

 

 

 

what forms the lumbar trunks

Definition

 

 

 

the joining of the efferent vessels of the lumbar lymph noeds

Term

 

 

 

what drains into the lumbar trunks

Definition

 

 

 

lumbar lymph noeds

Term

 

 

 

what is the dilated area that lies anterior to the vertebral bodies of L-1 and L-2

Definition

 

 

 

cisterna chyli

Term

 

 

 

what drains into the cisterna chyli

Definition

 

 

 

the lumbar trunks

Term

 

 

 

 

what does the cisterna chyli drain into

Definition

 

 

 

thoracic duct

Term

 

 

 

what is the function of thoracic duct

Definition

 

 

 

returns lymph to the systemic circulation

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