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603 Anatomy > Abdomen: Vasculature and Nerves > Flashcards

Abdomen: Vasculature and Nerves Flashcards

1
Q

What does the descending aorta become once it enters the abdomen?

A

Abdominal aorta

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2
Q

Hole in diaphragm for aorta

A

aortic hiatus

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3
Q

Three Main Branches of the Abdominal Aorta

A
  1. Celiac a.
  2. Cranial mesenteric a.
  3. Caudal mesenteric a.
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4
Q

Are the three main branches of the aorta paired?

A

no

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5
Q

Lumbar arteries

A

paired arteries extending dorsally from the aorta

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6
Q

What are the two terminal branches of the lumbar arteries and what do they supply?

A
  1. Spinal branch - intervertbral foramen and spinal cord
  2. Dorsal branch - supplies muscle and skin above the lumbar vertebrae
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7
Q

Celiac artery location

A

b/n crura of the diaphragm

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8
Q

3 Branches of the Celiac Artery

A
  1. Hepatic a.
  2. Left gastric a.
  3. Splenic a.
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9
Q

Hepatic artery

A

first branch of the celiac artery that travels cranially to the mesoduodenum and then to liver in the hepatoduodenal ligament

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10
Q

Does the hepatic artery branch?

A

Yes - additional hepatic branches (vary in number)

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11
Q

Cystic artery

A

comes off the last hepatic artery branch and supplies the gallbladder

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12
Q

Hepatic artery termination (2)

A
  1. Right gastric a.
  2. Gastroduodenal a.
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13
Q

Right gastric artery

A

extends from pylorus toward the cardia, supplies the lesser curvature of the stomach

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14
Q

Do the right and left gastric artery anastamose?

A

yes

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15
Q

Gastroduodenal artery

A

supplies pylorus, relatively short

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16
Q

Gastroduodenal artery termination (2)

A
  1. Right gastroepiploic a.
  2. Cranial pancreaticduodenal a.
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17
Q

Right gastroepiploic artery

A

supplies greater omentum and greater curvature of the stomach

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18
Q

Does the right gastroepiploic artery anastamose with the left?

A

yes

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19
Q

Cranial pancreaticduodenal artery

A

Runs along the mesenteric border of descending duodenum and supplies that as well as the right lobe of the pancreas

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20
Q

Left gastric artery

A

supplies left side of lesser curvature of stomach and runs to the cardia

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21
Q

Splenic artery

A

supplies L lobe of pancreas before dividing into dorsal and ventral splenic branches

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22
Q

Dorsal branch of the splenic artery

A

supplies dorsal end of spleen and branches into many short gastric aa. and also the L gastroepiploic a.

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23
Q

Cranial mesenteric artery

A

comes off abdominal aorta caudal to the celiac artery

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24
Q

Branches of the Cranial mesenteric artery (4)

A
  1. Common trunk
  2. Caudal pancreaticduodenal a.
  3. Jejunal aa.
  4. Ileal aa.
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25
Q

3 Components of the Common Trunk of the Cranial mesenteric artery

A
  1. Middle colic a.
  2. Ileocolic a.
  3. Right colic a.
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26
Q

Middle colic artery

A

runs cranially off the common trunk and supplies left colic flexure and descending colon

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27
Q

What does the middle colic artery anastamose with?

A

Left colic artery

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28
Q

Right colic artery

A

runs towards right colic flexure and supplies that as well as transverse and ascending colon

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29
Q

Ileocolic artery

A

supplies the ileum, cecum, and ascending colon

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30
Q

Which artery is associated with the right colic lymph node?

A

ileocolic a.

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31
Q

3 Branches of the Ileocolic Artery

A
  1. Colic branch
  2. Cecal artery
  3. Mesenteric ileal branch
32
Q

What will the colic branch anastamose with?

A

right colic artery

33
Q

What surface of the cecum does the cecal artery run on?

A

dorsal surface

34
Q

What does the cecal artery become and where does it run?

A

Antimesenteric ileal artery, runs in the ileocecal fold

35
Q

What is the caudal pancreaticduodenal artery a branch of?

A

cranial mesenteric artery

36
Q

Where do you find the caudal pancreaticduodenal artery?

A

branches off the cranial mesenteric a. just distal to the common trunk and runs to descending duodenum at the caudal flexure

37
Q

What does the caudal pancreaticduodenal artery supply?

A

distal descending duodenum, caudal duodenal flexure, ascending duodenum, right lobe of the pancreas

38
Q

What does the caudal pancreaticduodenal artery anastamose with?

A

cranial pancreaticduodenal artery

39
Q

What does arcade mean?

A

arching

40
Q

Jejunal arteries

A

come off caudal surface of the cranial mesenteric artery and form arcades

41
Q

Termination of the cranial mesenteric artery?

A

Ileal arteries

42
Q

What do the ileal arteries anastamose with?

A

mesenteric ileal artery

43
Q

What is the name of a common trunk from the aorta and what is is made up of?

A

Phrenicoabdominal artery (caudal phrenic and cranial abdominal aa.)

44
Q

Caudal phrenic a.

A

supplies diaphragm

45
Q

Cranial abdominal a.

A

supplies abdominal wall

46
Q

Is the caudal mesenteric artery paired?

A

no

47
Q

Caudal Mesenteric Artery

A

arises near end of aorta and runs to descending colon

48
Q

Termination of caudal mesenteric artery? (2)

A
  1. Left colic a.
  2. Cranial rectal a.
49
Q

Left colic artery

A

supplies mesenteric border of descending colon (distally) and anastamoses with middle colic a.

50
Q

Deep circumflex iliac a.

A

arises just distal to the caudal mesenteric a. off the aorta and supplies the caudodorsal abdominal wall

51
Q

Portal vein

A

brings blood from the digestive tract to the liver so it can be filtered before it goes through the heart

52
Q

Where does the portal vein drain blood from?

A

abdominal viscera - stomach, small intestine, cecum, colon, pancreas, spleen

53
Q

Hepatic veins

A

veins located inside the liver that deliver the blood to the caudal vena cava to be carried to the heart

54
Q

What two veins coming together indicate where the portal vein starts?

A

Cranial and caudal mesenteric veins

55
Q

Gastroduodenal vein

A

drains the right side of the cranial abdomen

56
Q

Splenic vein

A

drains the left side of the cranial abdomen (from deep leaf of greater omentum)

57
Q

Left gastric vein

A

drains the lesser curvature of stomach into the splenic vein

58
Q

What does the cranial mesenteric vein drain?

A

jejunum, ileum, caudal duodenum, right lobe of pancreas

59
Q

What does the caudal mesenteric vein drain?

A

cecum and colon

60
Q

The vagus nerve enters the abdomen through the __________ as ___________.

A

esophageal hiatus; dorsal and ventral vagal trunks

61
Q

Ventral vagal trunk

A

supplies liver, parietal surface of stomach, and pylorus

62
Q

What does the ventral vagal trunk terminate as?

A

Trick question, dumbass, it just stops

63
Q

Dorsal vagal trunk gives off what other nerve?

A

celiac nerve

64
Q

Dorsal vagal trunk heads where?

A

dorsocaudally, contributing to celiac and cranial mesenteric plexus; innervates digestive tract

65
Q

Where does the sympathetic trunk narrow?

A

just before the major splanchnic n.

66
Q

Where does the major splanchnic n. leave the sympathetic trunk?

A

T12-13 sympathetic ganglion

67
Q

Where do the minor splanchnic nn. leave the sympathetic trunk?

A

T13 and L1 sympathetic ganglia

68
Q

What does the minor splanchnic nn. supply?

A

adrenal glands

69
Q

Where does the minor splanchnic nn. terminate?

A

celiacomesenteric ganglia and plexus

70
Q

Lumbar splanchnic nn.

A

arise from L2-L5 sympathetic ganglia

71
Q

Where do the lumbar splanchnic nn. go?

A

aorticorenal, cranial mesenteric, and caudal mesenteric ganglia and plexus

72
Q

Celiac ganglia

A

located on right and left surface of the celiac artery

73
Q

Celiacomesenteric ganglion

A

combination of cranial mesenteric and celiac ganglia (so close they mesh together); on caudal surface of cranial mesenteric artery

74
Q

Caudal mesenteric ganglion

A

wraps around caudal mesenteric artery; serves as end point for lumbar splanchnic nn. before they become caudal mesenteric plexus

75
Q

Hypogastric nerves

A

two (2) nerves that leave the caudal mesenteric ganglion and go caudally into the pelvic canal

76
Q

Where does the lymph of abdominal viscrea drain?

A

cisterna chyli

603 Anatomy (13 decks)

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