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posterior abdominal wall and viscera
posterior abdominal wall and viscera
239
Anatomy
Graduate
10/19/2014

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Term
boundaries of abdominopelvic cavity
Definition
diaphragm to pelvic floor
Term
upper subdivisino of abdominopelvic cavity borders
Definition
diaphragm to brim of pelvis
Term
lower subdivision of abdominopelvic cavity borders
Definition
lies inferior and posterior to brim of pelvis
Term
upper subdivision of abdominopelvic cavity
Definition
abdominal cavity
Term
lower subdivision of abdominopelvic cavity
Definition
pelvis
Term
landmarks of abdominal cavity: transumbilical plane: spinal level
Definition
t3-t4
Term
landmarks of abdominal cavity: dermatome
Definition
t10, umbilicus
Term
how are the quadrants of the abdominal cavity formed
Definition
intersection of midlines with transumbilical plane
Term
4 quadrants of the abdominal cavity
Definition
upper&lower left and right
Term
internally the upper quadrants extend above what, affording them protection of what
Definition
costal arch, ribs
Term
how is the gut tube formed?
Definition
when embryo folds laterally and endoderm rolls into a tube ventral to the neural tube
Term
the gut tube is formed ventral to what
Definition
neural tube
Term
the gut tube is divided into what (4)
Definition
pharynx, foregut, midgut, hindgut
Term
embryology: the pharynx extends from where to where
Definition
buccopharyngeal membrane to lung bud
Term
embryology: the foregut extends from where to where
Definition
lung bud to liver and dorsal and ventral pancreatic buds
Term
embryology: midgut extends from where to where
Definition
liver bud to proximal 2/3 of transverse colon
Term
embryology: hindgut extends from where to where
Definition
transverse colon to cloacal membrane
Term
the mucosal lining epithelium of the gut is
Definition
endoderm
Term
the muscle and connective tissue for the gut tube comes from where
Definition
splanchnic mesoderm
Term
embryology: as the got grows what happens
Definition
the gut rotates
Term
embryology: the gut rotates as it grows resulting in the fusion of these two buds
Definition
ventral pancreatic buds, dorsal pancreatic buds
Term
embryology: the stomach rotates resulting in the dorsal mesentery being pulled how?
Definition
right and inferior
Term
embryology: as the dorsal mesentery of the stomach gets pulled right and inferior it forms what
Definition
greater omentum
Term
embryology: the stomach rotates the ventral mesentery how
Definition
left and anteriorly
Term
embryology: the ventral mesentery of the stomach gets pulled left and anterior forming what
Definition
lesser omentum
Term
embryology: how does the remaining gut rotate
Definition
270 degrees counterclockwise
Term
embryology: the remaining gut after rotating 260 degrees counterclockwise herniates into what
Definition
umbilical cord
Term
embryology: what will expand to enclose the umbilical cord?
Definition
abdominal cavity
Term
what is the periotoneal sac/parietal peritoneum
Definition
serous membrane lining the abdominal wall
Term
the peritoneal sac/parietal peritoneum can be traced embryologically to what
Definition
parietal mesoderm
Term
what intrudes into the peritoneal sac/parietal peritoneum resulting in a serous outer coat?
Definition
abdominal viscera
Term
serous outer coat aka
Definition
serosa, visceral peritoneum
Term
visceral peritoneum, serosa, serous outer coat corresponds to embryonic..
Definition
visceral peritoneum
Term
between parietal and visceral layers exists what
Definition
paritoneal cavity
Term
what occupies the peritoneal cavity
Definition
thin film of fluid
Term
most of the small intesting is attached via a double layered sling (______) to the posterior wall
Definition
mesentery
Term
transverse colon aka
Definition
transverse mesocolong
Term
sigmoid colon aka
Definition
sigmoid mesocolon
Term
organs considered as periotneal
Definition
most of small intestine, transverse colon, sigmoid colon
Term
what double layer sling secures the stomach to the liver
Definition
lesser omentum
Term
what double-layered sling secures the stomach to transverse colon
Definition
greater omentum
Term
the medial edge of the lesser omentum forms this structure
Definition
epiploic foramen
Term
the epiploic foramen formed by the medial edge of the lesser omentum has these 3 structures passing through it
Definition
hepatic artery, common bile duct, hepatic portal vein
Term
list the contents of the epiploic foramen from anterior to posterior
Definition
hepatic artery, common bile duct, hepatic portal vein
Term
organs which have no sling but intrude into the peritoneal sac
Definition
retroperitonal organs
Term
retroperitoneal organs intrude into the peritoneal sac only on what surfaces
Definition
their anterior or anterior/lateral surfaces
Term
retropertional organs have only a partial
Definition
serous coat
Term
retroperitoneal organs are not
Definition
mobile
Term
what are the retroperiotneal organs (6)
Definition
duodenum, most of pancrease, ascending colon, descending colon, kidneys, adrenal glands
Term
the abdominal portion of this tube is very short
Definition
esophagus
Term
the esophagus extends from the diaphragm to stomach via what
Definition
esophageal hiatus of diaphragm
Term
the esophagus extends to what part of the stomach
Definition
upper left of lesser curvature
Term
where is the fundus of the stomach
Definition
upper most part of stomach
Term
where is teh body of the stomach
Definition
between the fundus and pyloric antrum
Term
where is the greater curvature of the stomach
Definition
lower left boundary of stomach
Term
what marks the lower left boundary of the stomach
Definition
greater curvature
Term
what marks the uppr right boundaries of the stomach
Definition
lesser curvature
Term
the cardiac sphincter aka
Definition
lower esophageal sphincter
Term
most proximal part of stomach
Definition
cardiac/lower esophageal sphincter
Term
most distal part of stomach
Definition
pyloric sphincter
Term
the stomach attaches to the spleen how
Definition
gastrosplenic ligament
Term
the bed of the stomach is the anterior surface of what organs (3)
Definition
spleen, left kidney, pancrease
Term
the spleen is located where
Definition
upper left quadrant under the diaphragm
Term
the spleen is surrounded by what
Definition
ribs above the left costal margin
Term
the spleen is attached to the left kidney by what
Definition
splenorenal ligament
Term
the spleen is attached to this organ by its tail
Definition
pancrease
Term
the pancrease is this type of organ (2)
Definition
tubular, retroperitoneal
Term
the head is nestled in the loop of which organ
Definition
duodenum of small intestine
Term
the main pancreatic duct joins what to form hepatopancreatic duct
Definition
bile duct
Term
the main pancreatic duct joins common bile duct to form what
Definition
hepatopancreatic duct
Term
the hepatopancreatic duct goes to where
Definition
duodenum
Term
the tail of the pancreas extends to what organ
Definition
spleen
Term
the liver is divisible into right and left lobes by what
Definition
falciform ligament and ligamentum teres
Term
the ligamentum teres is a remnant of what
Definition
vestigial umbilical vv
Term
the falciform ligament and ligamentum teres attach to what (other than the liver)
Definition
anterior abdominal wall
Term
the bare area of the liver is directly attached to what
Definition
diaphragm
Term
the coronary ligament is the reflection of what
Definition
parietal peritoneum
Term
the coronary ligament is the reflection of parietal peritoneum from the inferior side of what onto the liver
Definition
diaphragm
Term
the coronary ligament is the reflection of parietal peritoneum from the inferior side of teh diaphgram onto what
Definition
liver
Term
the liver attaches to what two organs via lesser omentum
Definition
stomach, first part of duodenum
Term
the liver attaches to stomach via the lesser omentum, more specifically
Definition
hepatogastric ligament
Term
the liver attaches to the first part of the duodenum via lesser omentum, more specifically
Definition
hepatoduodenal ligaments
Term
the right lobe of the liver has these two lobes
Definition
quadrate, caudate
Term
the gall baldder is under what
Definition
right lobe of liver
Term
the gall bladder recieves bile via what
Definition
common hepatic duct, cystic duct
Term
the gall bladder receives bile via common hepatic duct from where
Definition
liver
Term
the common bile duct joins what to duodenum
Definition
pancreatic duct
Term
the common bile duct joins the pancreatic duct to where
Definition
duodenum
Term
how long is the small intestine
Definition
approximately 20'
Term
the first 10" of teh small intestine is called what
Definition
duodenum
Term
what are the 4 parts of the duodenum
Definition
superior, descending, inferior, ascending
Term
what is the spinal level for superior portion of duodenum
Definition
anterior to L1
Term
the duodenum empties into what
Definition
jejunum
Term
the duodenum empties into the jejunum in which direction
Definition
anterior and to left of L2
Term
how long is the jejunum
Definition
8'
Term
where is the jejunum located
Definition
Left Upper Quadrant
Term
The jejunum empties into what
Definition
ileum
Term
How long is the ileum
Definition
12'
Term
where is the ileum located
Definition
right lower quadrant
Term
what type of muscle is the ligament of treitz
Definition
suspensory
Term
what muscle supports the fold of gut between the duodenum and jejunum
Definition
ligament of treitz
Term
what two parts of the small intestine are in mesentery
Definition
jejunum, ileum
Term
the ileum joins the large intestine where
Definition
ileocecal junction
Term
how long is the large intestine
Definition
5'
Term
what are the puckered appearance on the large intestine called
Definition
haustrations
Term
what are the 3 discontinuous longitudinal muscle layers on the large intestine called
Definition
taeniae coli
Term
what are the fat tags on the large intestine called
Definition
appendices epiploicae
Term
where is the cecum located
Definition
inferior to ileocecal junction
Term
the cecum is considered the beginning of what?
Definition
large intestine
Term
what is located on the posterior-medial side of teh cecum under the ileocecal junction
Definition
vermiform appendix
Term
the ascending colon extends up which side of the body?
Definition
right
Term
the ascending colon is considered
Definition
retroperitoneal
Term
the ascending colon ends where
Definition
hepatic flexure
Term
hepatic flexure aka
Definition
right colic flexure
Term
transverse colon extends across what
Definition
abdominal cavity
Term
the transverse colon is suspended by what?
Definition
transverse mesocolon
Term
the transverse colon extends below what?
Definition
greater curvature of stomach
Term
the transverse colon extends to where
Definition
splenic flexure
Term
splenic flexure aka
Definition
left colic flexure
Term
descending colon extends where
Definition
down left side
Term
the descending colon is considered
Definition
retroperitoneal
Term
the descending colon extends to where
Definition
sigmoid colon
Term
what suspends the sigmoid colon
Definition
sigmoid mesocolon
Term
what continues from the sigmoid colon into pelvic cavity
Definition
rectum
Term
the rectum continues from the sigmoid colon into the pelvic cavity at what spinal level
Definition
S3
Term
the kidneys, ureters, and adrenal (suprarenal) glands are considered
Definition
retroperitoneal organs
Term
3 features of teh kidneys
Definition
convex margin, concave margin, hilum
Term
which side of the kidney is convex
Definition
lateral
Term
which side of the kidney is concave
Definition
medial
Term
which side of the kidney is the hilum on
Definition
medial
Term
the hilum marks entry/exit for what
Definition
vessels/nerves
Term
which kidney is typically lower
Definition
right
Term
why is the right kidney typically lower
Definition
displacement by liver
Term
the ureters descend what
Definition
posterior abdominal wall
Term
the ureters enter what to join what?
Definition
pelvis, bladder
Term
adrenal (suprarenal) glands are perched how to corresponding kidney
Definition
superomedial
Term
shape of the right adrenal (suprarenal) gland
Definition
pyramidal
Term
shape of the left adrenal (suprarenal) gland
Definition
semilunar
Term
the aorta has 3 unpaired branches in the abdominal cavity, what are they?
Definition
celiac trunk, superior mesenteric artery, inferior mesenteric artery
Term
the aorta has 4 paired branches in the abdominal cavity, what are they?
Definition
right/left adrenal aa, r/l renal aa, r/l gonadal aa, r/l common iliac aa
Term
the celiac trunk supplies what
Definition
viscera superior to transverse mesocolon
Term
how many branches does the celiac trunk ahve?
Definition
3
Term
what are the 3 branches of the celiac trunk
Definition
left gastric aa, common hepatic aa, splenic aa
Term
the left gastric aa supplies what
Definition
lesser curvature of stomach, esophagus
Term
the common hepatic aa has how many branches
Definition
2
Term
what are the branches of the common hepatic aa
Definition
gastroduodenal, proper hepatic aa
Term
how many branches does the gastroduodenal aa have
Definition
2
Term
what are the 2 branches of the gastroduodenal aa
Definition
right gastroepiploic, superior pancreaticoduodenal
Term
how many branches does the proper hepatic aa have?
Definition
1
Term
what is the branch of the proper hepatic aa?
Definition
right gastric aa
Term
how many branches does the splenic aa have?
Definition
1
Term
what is the branch of the splenic aa
Definition
left gastroepiploic
Term
the superior mesenteric artery sends branches into what
Definition
arcades within the mesentery
Term
the superior mesenteric artery and its branches supply what
Definition
duodenum, pancreas, jejunum, ileum, first part of colon
Term
the superior mesenteric artery and its branches supply the jejunum with what other aa
Definition
long vasa recta
Term
the superior mesenteric artery and its branches supply the ileum along with what other aa
Definition
short vasa recta
Term
how many branches does the superior mesenteric artery have?
Definition
5
Term
what are the 5 branches of the superior mesenteric artery
Definition
inferior pancreaticoduodenal, ileal, ileocolic, right colic, middle colic
Term
the ileal artery has how many branches
Definition
3
Term
what are the 3 branches of the ileal artery
Definition
jejunum, ileum, appendicular
Term
the inferior mesenteric aa supplies what
Definition
transverse through sigmoid colons, rectum
Term
the inferior mesenteric aa has how many branches
Definition
3
Term
what are the 3 branches of teh inferior mesenteric aa?
Definition
superior left colic aa, inferior left colic aa, rectal artery
Term
the left and right adrenal aa supply what
Definition
adrenal gland
Term
the left and right renal aa supply what
Definition
kidneys
Term
the left and right gonadal artery supplies what
Definition
ovaries or testes
Term
the left and right common iliac aa supplies what
Definition
pelvis and lower limb
Term
hepatic portal vein drains what
Definition
abdominal visceral
Term
the hepatic portal vein drains to what?
Definition
liver
Term
how many tributaries does the hepatic portal vv have?
Definition
3
Term
what are the 3 tributaries of the hepatic portal vv?
Definition
superior mesenteric vv, inferior mesenteric vv, splenic vv
Term
the inferior vena cava is the major drainage vessel of what
Definition
abdomen and lower limb
Term
what are the 4 paired tributaries to the inferior vena cava?
Definition
common iliac vv, gonadal vv, renal vv, hepatic vv
Term
the right and left lymphatic vessels converge medially to empty into what
Definition
cistern chyli
Term
the cisterna chyli is usually located where
Definition
near the right renal artery
Term
the cisterna chyli connects to what?
Definition
thoracic duct
Term
dome-shaped musculotendinous sheet dividing thoracic from adbominal cavity
Definition
diaphragm
Term
diaphragm: the mesoderm inferior to the heart proliferates to form a thick septum called what
Definition
septum transversum
Term
the septum transversum is responsible for dividing hat
Definition
thoracic and periotneal cavities
Term
the septum transversum thins to form what
Definition
central tendon of diaphragm
Term
these membranes from from the posterior body wall and fuse with the septum transversum to separate the thoracic and periotneal cavities
Definition
pleuroperitoneal cavities
Term
migrating muscles will cover this membrane to form the muscular part of the diaphragm
Definition
pleuroperitoneal membranes
Term
phrenic nn spinal lvls
Definition
c3-c5
Term
diaphgragm actions
Definition
inspiration
Term
diaphragm innervation
Definition
phrenic nn
Term
diaphragm origin
Definition
sternal portion, costal portion, lumbar portion
Term
diaphragm insertion
Definition
central tendon
Term
the diaphragm is pierced on its right side by what
Definition
inferior vena cava
Term
the inferior vena cava pierces the right side of the diaphgragm via what
Definition
vena caval foramen
Term
what is the sternal attachment for the diaphragm?
Definition
xiphoid process
Term
what is the costal portion of the diaphragm attachment
Definition
lower six ribs
Term
the costal portion of the diaphgram has two interruptions. What are they?
Definition
medial arcuate ligament, lateral arcuate ligament
Term
the medial arcuate ligament is an interruption for what
Definition
psoas major mm
Term
the lateral arcuate ligament is an interruption for what
Definition
quadratus lumborum mm
Term
the lumbar portion of the diaphragm attachments
Definition
right crus to l3, left crus to l2
Term
the right and left crus (crura) form what straddling the aortic hiatus?
Definition
median arcuate ligament
Term
the median arcuate ligament is formed by the crura straddling what
Definition
aortic hiatus
Term
the upper end of right crurs accomadates what?
Definition
esophageal hiatus
Term
psoas major actions
Definition
flexion of femur at hip
Term
psoas major mm + iliacus mm forms what
Definition
iliopsoas mm
Term
psoas major origin
Definition
transverse processes, bodies and intervertebral discs of T12-L5
Term
psoas major insertion
Definition
lesser trochanter of femur
Term
psoas major innervation
Definition
anterior primary rami of L2-L4
Term
iliacus actions
Definition
flexion of femur at hip
Term
iliacus origin
Definition
superior part of iliac fossa
Term
iliacus insertion
Definition
lesser trochanter of femur
Term
iliacus innervation
Definition
femoral nn
Term
femoral nn spinal level
Definition
L2-L4
Term
quadratus lumborum origin
Definition
iliolumbar ligament & adjacent iliac crest
Term
quadratus lumoborum insertion
Definition
lower border of rib 12 and transverse processes of L1-L4
Term
quadratus lumborum innervation
Definition
subcostal nn, anterior primary rami of L1-L4
Term
actions of quadratus lumborum
Definition
ipsilateral flexion & extension (acting bilaterally) of lumbar vertebral column, accessory respiration, "hip hiker" muscle
Term
the quadratus lumborum is an accessory muscle to inspiration by...
Definition
stabilizing rib 12
Term
subcostal nn supplies which muscles
Definition
of abdominal swing and quadratus lumborum
Term
subcostal nn spinal lvl
Definition
T12
Term
what nerves come off the anterior primary rami of L1
Definition
iliohypogastric, ilioinguinal
Term
the iliohypogastric nn supplies what muscles
Definition
abdominal sling mm except rectus abdominis
Term
the iliohypogastric nn supplies sensory to where
Definition
skin above pubic crest
Term
the iliohypogastric nn is which branch of L1
Definition
superior
Term
the ilioinguinal nn is which branch of L1
Definition
inferior
Term
the ilioinguinal supplies what muscles
Definition
abdomninal sling except recuts abdominis and external oblique
Term
the ilioinguinal supplies sensory to where
Definition
skin of groin
Term
genitofemoral nn spinal lvl
Definition
L1-L2
Term
the genital branch of the genitofemoral nn supplies which muscle
Definition
cresmaster mm
Term
the genital branch of genitofemoral nn supplies what sensory
Definition
skin of scrotum/labia major
Term
femoral branch supplies what sensory
Definition
skin of femoral triangle
Term
femoral nn spinal lvls
Definition
L2-L4
Term
of the lumbar plexus, which is the large nerve
Definition
femoral nn
Term
femoral nn supplies what muscles
Definition
iliacus, anterior thigh mm
Term
obturator nn spinal lvls
Definition
L2-L4
Term
obturator nn supplies what muscles
Definition
adductors of femur
Term
the obturator nn transverses obturator foramen to reach what
Definition
medial thigh
Term
the obturator nn reaches the medial thigh by transversing what
Definition
obturator foramen
Term
lateral femoral cutaneous nn spinal lvls
Definition
L2-L3
Term
lateral femoral cutaenous nn supplies what
Definition
sensory to lateral femur
Term
lumbosacral trunk spinal lvls
Definition
L4-L5
Term
the lumbosacral trunk cross what to contribute to sacral plexus
Definition
brim of pelvis
Term
the sympathetic trunk communicated with lumbar plexus branches via what
Definition
rami communicantes
Term
what 3 nerves are associated with sympathetic splanchnic branches
Definition
celiac, superior, inferior mesenteric postganglionic plexuses
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