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Anatomy Exam 3 > L25: Posterior Abdominal Wall > Flashcards

L25: Posterior Abdominal Wall Flashcards

(68 cards)

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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
branches of the inferior mesenteric artery
left colic sigmoid arteries sup. rectal artery
26
left colic artery
supplies descending colon branches into marginal artery
27
sigmoid arteries
2-3 of them | supply descending and sigmoid colon
28
superior rectal artery
terminal branch of inf. mesenteric supplies proximal rectum
29
terminal branches off aorta
common iliac | median sacral
30
common iliac artery
split into internal and external iliacs continues into leg as femoral artery
31
external and internal iliac arteries
anything superficial - ex internal -- deep
32
the inferior vena cava is formed by ?
the union of paired common iliac veins
33
the inferior vena cava receives veins that correspond to ?
paired arterial branches of abdominal aorta
34
list tributaries of inferior vena cava
``` gonadal veins renal veins suprarenal veins inf. phrenic veins hepatic veins ```
35
gonadal veins dump into ?
left renal vein
36
the hepatic portal system drains what to what?
abdominal viscera to the liver | via hepatic portal vein
37
beginning and end of hepatic portal vein
starts behind stomach at joining w/ vein from spleen
38
while the hepatic portal system drains the abdominal viscera, the inferior vena cava drains?
somatic portions muscles walls limbs
39
middle colic vein
drains transverse colon
40
right colic vein
drains ascending colon
41
ileocolic vein
drains ileum, cecum, ascending colon
42
ileal vein
drain ileum
43
right gastroepiploic vein
drains right aspect greater curve of stomach
44
pancreaticoduodenal vein
drains duodenum and head of pancreas
45
right gastric vein
drains lesser curve of stomach
46
left gastric vein
drains lesser curve of stomach
47
paraumbilical vein
drains umbilical region
48
somatic innervation of posterior abdominal wall thru what nerves
thoracoabdominal nerves | subcostal nerves
49
thoracoabdominal nerves
innervate anterior ab muscles, skin, peripheral diaphragm
50
subcostal nerve
innervates external oblique skin over ASIS and hip
51
muscular branches of lumbar plexus
branches to : quadratus lumborum psoas major psoas minor
52
Iliohypogastric nerve
innervates lateral butt and hypogastric region
53
ilioinguinal nerve
innervates skin of groin scrotum labia
54
all branches of lumbar plexus travel lateral to psoas major except.
genitofemoral goes thru it travel medial: obturator n accessory obturator
55
largest branch off lumbar plexus
femoral nerve
56
branches off the vagus nerve
esophageal gastric gall bladder intestinal
57
sympathetic visceral branches contain mostly _____ fibers and synapse in ______ ganglion
preganglion fibers | prevertebral ganglia
58
list the 3 pairs of thoracic splanchnic nerves
- -greater splanchnic - -lesser splanchnic - -least splanchnic
59
the greater splanchnic nerve supplies 2 plexuses
celiac and hepatic
60
celiac plexus
``` sympathetic innervation to stomach small intestine spleen pancreas gall bladder kidneys suprarenal glands ```
61
hepatic plexus
sympathetic innervation to the liver
62
lesser splanchnic nerve
synapse in sup. mesenteric prevertebral ganglion to the sup. mesenteric plexus
63
sup. mesenteric plexus
``` sympathetic innervation to small intestine cecum appendix pancreas ascending colon transverse colon ```
64
least splanchnic nerve
synapse in aorticorenal prevertebral ganglion sympathetic innervation to kidneys and suprarenal glands
65
spinal cord levels of the splanchnic nerve branches
greater T5-9 lesser T10-11 least T12 overall T5-12
66
lumbar splanchnic nerves contain mostly preganglionic fibers that synapse in ______ and ______ .
inf. mesenteric ganglia | sup. hypogastric plexus
67
inferior mesenteric ganglia
sympathetic innervation to descending colon and sigmoid colon
68
superior hypogastric plexus
sympathetic innervation to | uterine tubes

Anatomy Exam 3 (10 decks)

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