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Anatomy Exam 3 > L25: Posterior Abdominal Wall > Flashcards

L25: Posterior Abdominal Wall Flashcards

1
Q

list the 4 muscles of the posterior abdominal wall

A

psoas major
psoas minor
iliacus
quadratus lumborum

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2
Q

beginning and end of the abdominal aorta

A

TV12 - aortic hiatus

LV4 – bifurcation into common iliacs

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3
Q

list 3 unpaired branches of abdominal aorta

A

celiac trunk

sup. mesenteric
inf. mesenteric

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4
Q

list 3 paired visceral branches of abdominal aorta

A

middle suprarenal arteries
renal arteries
gonadal arteries

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5
Q

list 5 paired somatic branches of abdominal aorta

A

inf. phrenic arteries

4 pairs of lumbar segmental arteries

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6
Q

list the 3 branches of the celiac trunk

A

splenic a
left gastric a
common hepatic a

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7
Q

describe the splenic artery

A

largest branch off celiac trunk

–supplies pancreas and greater curve of stomach

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8
Q

branches of splenic artery

A

6 short gastric arteries
6 splenic arteries
left gastroepiploic artery

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9
Q

describe the left gastric artery

A

smallest branch off celiac trunk

  • -travels in lesser omentum
  • -anastomoses w/ right gastric
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10
Q

what does the left gastric artery supply

A

lesser curve of stomach

inf. esophagus

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11
Q

what does the common hepatic artery supply

A

stomach
liver
gall bladder

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12
Q

list the branches of the common hepatic artery

A

right/left hepatic
cystic artery
right gastric
gastroduodenal art

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13
Q

right gastric artery

A

travels along lesser omentum
anastomoses w/ left gastric
in the lesser curvature of stomach

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14
Q

gastroduodenal artery

A

gives off a right gastroduodenal and

sup. pancreaticoduodenal

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15
Q

right gastroduodenal artery

A

travels along greater curve of stomach

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16
Q

superior pancreaticoduodenal artery

A

travels along head of pancreas

supplies duodenum and pancreas

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17
Q

what does the superior mesenteric artery supply

A

most of duodenum and intestines to left colic flexure

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18
Q

list branches of superior mesenteric artery

A 
jejunal and ileal arteries
inf. pancreaticoduodenal
middle colic
right colic
ileocolic
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19
Q

middle colic artery

A

–supplies transverse colon

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20
Q

right colic artery

A

supplies ascending colon

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21
Q

ileocolic artery

A

terminal branch of sup. mesenteric artery

supplies - ileum, cecum, appendix, ascending colon

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22
Q

mesenteric arteries are characterized by 3 common features of their branches

A

arcades – loops
vasa recta
windows – circles created by small arteries

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23
Q

what does the inferior mesenteric artery supply

A

intestines

beginning w/ left colic flexure to upper half of anal canal

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24
Q

left colic flexure

A

where transverse colon turns into descending colon

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25
Q

branches of the inferior mesenteric artery

A

left colic
sigmoid arteries
sup. rectal artery

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26
Q

left colic artery

A

supplies descending colon

branches into marginal artery

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27
Q

sigmoid arteries

A

2-3 of them

supply descending and sigmoid colon

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28
Q

superior rectal artery

A

terminal branch of inf. mesenteric

supplies proximal rectum

29
Q

terminal branches off aorta

A

common iliac

median sacral

30
Q

common iliac artery

A

split into internal and external iliacs

continues into leg as femoral artery

31
Q

external and internal iliac arteries

A

anything superficial - ex

internal – deep

32
Q

the inferior vena cava is formed by ?

A

the union of paired common iliac veins

33
Q

the inferior vena cava receives veins that correspond to ?

A

paired arterial branches of abdominal aorta

34
Q

list tributaries of inferior vena cava

A 
gonadal veins
renal veins
suprarenal veins
inf. phrenic veins
hepatic veins
35
Q

gonadal veins dump into ?

A

left renal vein

36
Q

the hepatic portal system drains what to what?

A

abdominal viscera to the liver

via hepatic portal vein

37
Q

beginning and end of hepatic portal vein

A

starts behind stomach at joining w/ vein from spleen

38
Q

while the hepatic portal system drains the abdominal viscera, the inferior vena cava drains?

A

somatic portions
muscles
walls
limbs

39
Q

middle colic vein

A

drains transverse colon

40
Q

right colic vein

A

drains ascending colon

41
Q

ileocolic vein

A

drains ileum, cecum, ascending colon

42
Q

ileal vein

A

drain ileum

43
Q

right gastroepiploic vein

A

drains right aspect greater curve of stomach

44
Q

pancreaticoduodenal vein

A

drains duodenum and head of pancreas

45
Q

right gastric vein

A

drains lesser curve of stomach

46
Q

left gastric vein

A

drains lesser curve of stomach

47
Q

paraumbilical vein

A

drains umbilical region

48
Q

somatic innervation of posterior abdominal wall thru what nerves

A

thoracoabdominal nerves

subcostal nerves

49
Q

thoracoabdominal nerves

A

innervate anterior ab muscles, skin, peripheral diaphragm

50
Q

subcostal nerve

A

innervates
external oblique
skin over ASIS and hip

51
Q

muscular branches of lumbar plexus

A

branches to :
quadratus lumborum
psoas major
psoas minor

52
Q

Iliohypogastric nerve

A

innervates lateral butt and hypogastric region

53
Q

ilioinguinal nerve

A

innervates skin of
groin
scrotum
labia

54
Q

all branches of lumbar plexus travel lateral to psoas major except.

A

genitofemoral goes thru it

travel medial:
obturator n
accessory obturator

55
Q

largest branch off lumbar plexus

A

femoral nerve

56
Q

branches off the vagus nerve

A

esophageal
gastric
gall bladder
intestinal

57
Q

sympathetic visceral branches contain mostly _____ fibers and synapse in ______ ganglion

A

preganglion fibers

prevertebral ganglia

58
Q

list the 3 pairs of thoracic splanchnic nerves

A
  • -greater splanchnic
  • -lesser splanchnic
  • -least splanchnic
59
Q

the greater splanchnic nerve supplies 2 plexuses

A

celiac and hepatic

60
Q

celiac plexus

A 
sympathetic innervation to
stomach
small intestine
spleen
pancreas
gall bladder
kidneys
suprarenal glands
61
Q

hepatic plexus

A

sympathetic innervation to the liver

62
Q

lesser splanchnic nerve

A

synapse in sup. mesenteric prevertebral ganglion

to the sup. mesenteric plexus

63
Q

sup. mesenteric plexus

A 
sympathetic innervation to
small intestine
cecum
appendix
pancreas
ascending colon
transverse colon
64
Q

least splanchnic nerve

A

synapse in aorticorenal prevertebral ganglion

sympathetic innervation to kidneys and suprarenal glands

65
Q

spinal cord levels of the splanchnic nerve branches

A

greater T5-9
lesser T10-11
least T12

overall T5-12

66
Q

lumbar splanchnic nerves contain mostly preganglionic fibers that synapse in ______ and ______ .

A

inf. mesenteric ganglia

sup. hypogastric plexus

67
Q

inferior mesenteric ganglia

A

sympathetic innervation to descending colon and sigmoid colon

68
Q

superior hypogastric plexus

A

sympathetic innervation to

uterine tubes

Anatomy Exam 3 (10 decks)

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