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Spinal Cord and Peripheral Nerves
see above
59
Anatomy
Undergraduate 1
11/15/2010

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Cards

Term
Ansa Cervicalis
Definition

Cervical Plexus

infrahyiod muscles of neck

Term
Axillary
Definition

Brachial Plexus

Muscular branches: deltoid and teres minor muscles, cutaneous branches: some skin of shoulder region

Term
Dorsal Scapular
Definition

Brachial Plexus

Rhomboid muscles and levator scapulae

Term
Femoral
Definition

Lumbar Plexus

Skin of anterior and medial thigh via anterior femoral cutaneous branch

Skin of medial leg and foot, hop and kneww joints via saphenous branch; motor to anterior muscles of thigh; pectineus, iliacus

Term
Genitofemoral
Definition

Lumbar Plexus

Skin of scrotum in males, of labia majora in females and of anterior thigh inferior to middle portion of inguinal region. cremaster muscle in males

Term
Greater Auricular
Definition

Cervical Plexus

Skin of ear, over parotid gland

Term
iliohypogastric
Definition

Lumbar Plexus

Skin of lower abdomen lower back and hip; muscles of anterolateral abdominal wall

Term
ilioinguinal
Definition

Lumbar Plexus

skin of external genitalia nad proximal medial aspect of the thing, inferior abdominal muscles

Term
Inferior gluteal
Definition

Sacral Plexus

Motor branches: to gluteus maximus

Term
Lesser Occipital
Definition

Cervicle Plexus

Skin on posterolateral aspect of neck

Term
Lesser Occipital
Definition

Cervicle Plexus

Skin on posterolateral aspect of neck

Term
Long Thoracic
Definition

Brachial Plexus

serratus anterior muscle

Term
Median
Definition

Brachial

Muscular branches; flexor group of forearm, intrinsic muscles of lateral palm and digital branches to the fingers cutaneous branches : skin of lateral two-thirds of hand, palm side and dorsum of fingers 2 and 3

Term
Musculocutaneous
Definition

Brachial Plexus

Musclar branches flexor muscles in anterior arm, cutaneour branches skin on anterolateral forearm

Term
Obturator
Definition

lumbar plexus

Motor to adductor magnus, longus and brevis muscles, facilis muscle of medial thigh, obturator externus; sensory for skin of medial thigh and for hip and knee joints

Term
Pectoral
Definition

Brachial Plexus

Pectoralis major and minor muscles

Term
Phrenic
Definition

Cervical

diaphragm

Term
Posterior femoral cutaneous
Definition

Sacral

Skin of buttock, posterior thigh and popilteal region

Term
pudendal
Definition

Sacral plexus

Supplies most of skin of muscles of perineum, eternal and sphincter

Term
Radial
Definition

Brachial

Muscular branches posterior muscles of arm forearm and hand

cutanrous branches: skin of posterolateral surface of entire limb

Term
Sciatic
Definition

Sacral Plexus

Composed of two nerves (tibial and common fibular) in a common sheath that diverge just proximal to the knee and serve the skin of anterior and posterior surface of leg and foot, and muscles of the back of thigh, leg and foot, as well as the fibularis and tibialis anterior muscles

Term
Segmented and other muscular branches
Definition

Cervical

Deep muscles of neck

Term
Subscapular
Definition

Brachial Plexus

Teres major and subscapular muscles

Term
Superior gluteal
Definition

Sacral Plexus

Motor branches to gluteus medius and minimus and tensor fasciae latae

Term
Supraclavicular
Definition

Cervical

Skin of shoulder and anterior aspect of check

Term
Suprascapular
Definition

Brachial Plexus

Shoulder joint supraspinatus and infraspinatus muscles

Term
Transverse Cutaneous
Definition

Cervical Plexus

Skin on anterior and lateral aspects of neck

Term
Ulnar
Definition

Brachial

Muscular branches, flexor muscles in anterior forearm, most intrinsic muscles of hand, cutaneous branches skin of medial third of hand, both anterior nad posterior aspects

Term
Where does the spinal cord start?
Definition
Foramen magum
Term
Where does the spinal cord terminates?
Definition
Conus medullaris (cone shaped)
Term
Fibrous Extension of the pia matter that anchors the spinal cord to the posterior coccyx
Definition
Filum Terminala
Term
Cauda equina
Definition
The collection of spinal nerves that traverse the inferior end of the vertebral cancal
Term
How are spinal nerves numbered
Definition

By the Number in the spine point of issue.

Except C8 it is actually attached to C7

Term
Nerve Plexus
Definition

A network of intersecting nerves that serve a similar area of the body.

Cervical, brachial, lumbar, sacral

Term
Cervical nerves
Definition
C1-C4
Term
Brachial
Definition
C4-T1
Term
Lumbar
Definition
L1-L4
Term
Sacral
Definition
S1-S5
Term
Sciatica
Definition
A stabbing pain radiating over the course of the sciatic nerve
Term
Transection
Definition
Complete severing of spinal cord
Term
no function from the neck down; ventilator needed for breathing
Definition
C4 or above
Term
diaphragm function retined, hwich allos breathing without a ventilator
Definition
C5 or below
Term
Some arm adn chest muscles, allos for feeding, propelling wheelchair, driving specially adapted car
Definition
C7 or below
Term
intact arm function, able to be employed
Definition
T2 or below
Term
Control of trunk above umbillicus, good sitting position
Definition
L2 or below
Term
Most thigh muscles, allowing for walking with long leg braces
Definition
L5 of below
Term
most leg muscles, which allows for walking with short leg braces
Definition
S4 and below
Term
Olfactory Bulb
Definition

Smell- Sensory

I.

Term
Optic Nerve
Definition
Vision sensory II.
Term
oculomotor nerve
Definition
Eye Mover- motor III.
Term
Trochlear nerve
Definition
extrinsic eye movement IV
Term
Trigeminal Nerve
Definition

V. Sensory- fibers to face

motor- chewing muscles

Term
Abducens Nerve
Definition
VI. extrinsic eye muscles motor
Term
Facial Nerve
Definition
VII. Facial expressions both sensory and motor
Term
Vestibulocochlear Nerve
Definition
Hearing and balance sensory and some motor VIII
Term

Glossopharyngeal

 

Definition
IX tongue and pharynx sensory and motor
Term
Vagus nerve
Definition
X. Thorax and abdomen- sensory and motor
Term
Accessory Nerve
Definition
XI. Spinal Acessory- motor
Term
Hypoglossal
Definition
XII. tongue muscles- motor
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