Abdomen Nerves, Veins, Arteries Lecture Flashcards

1
Q

Abdominal aorta-3 unpaired visceral branches

A

celiac a

cranial mesenteric a

caudal mesenteric a

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2
Q

3 celiac branches

A

splenic a

hepatic a

left gastric a

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3
Q

General distribution of celiac artery

A

Liver

stomach

pancreas

spleen

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4
Q

4 quadrant blood supply of stomach

A

Left gastric artery

Right gastric artery

Left gastroepiploic artery

Right gastroepiploic artery

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5
Q

What arteries run off the lesser curvature of stomach and anastomose

A

Left and Right gastric a

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6
Q

What arteries run off the greater curvature of stomach and anastomose

A

L gastroepiploic a

R gastroepiploic a

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7
Q

What part of the stomach is the left gastric artery on

A

Body of stomach

Lesser curvatur

“stitches”

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8
Q

What part of stomach is right gastric artery on

A

Pylorus of stomach

Lesser curvature

“longitudinal”

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9
Q

What part of stomach is right gastroepiploic on

A

Pylorus/descending duodenum

Greater curvature

“longitudinal”

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10
Q

What part of stomach is left gastroepiploic on

A

Body of stomach

Greater curvature

“longitudinal”

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11
Q

What are the branches of the hepatic artery and where are they

A

Right gastric artery (lesser curvature)

Gastroduodenal artery (duodenum)

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12
Q

Gastroduodenal artery divides into (2) and where are they

A

Right gastroepiploic artery (greater curvature)

Cranial pancreaticoduodenal artery (pancreas and cranial duodenum

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13
Q

What are the branches of the cranial mesenteric artery (5)

A

ileocolic and colic (share common trunk) artery

Middle colic artery

Right colic artery

Caudal pancreaticoduodenal artery

Jejunal artery

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14
Q

What does the cranial mesenteric artery supply (8)

A

Pancreas

Duodenum

Jejunum

Ileum

Cecum

Ascending colon

Transverse colon

Proximal part of descending colon

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15
Q

Cranial mesenteric a. gives rise to how many jejunal arteries?

A

12-15

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16
Q

Caudal mesenteric a branches into

A

Left colic

Cranial rectal

17
Q

Paired arteries (5)

A

Lumbar a

Phrenicoabdominal a

Renal a

Gonadal a

Deep circumflex iliac

18
Q

Gonadal vein drainage

A

R testicular/ovarian drains into caudal vena cava

L testicular/ovarian vein drains into left renal vein

19
Q

Splanchnic nerves: pregang or postgang

A

preganglionic sympathetic nerve fibers from sympathetic trunk

20
Q

Where is splanchnic nerve synapse in ganglia

A

celiaco-mesenteric ganglion and plexus

21
Q

Two abdominal ganglia

A

Celiaco-mesenteric ganglion

Caudal mesenteric ganglion

22
Q

Celiaco-mesenteric ganglion and plexus

-Where?

A

Surrounds celiac artery and cranial mesenteric artery and consists of:

left celiac ganglion

Right celiac ganglion

cranial mesenteric ganglion

23
Q

Most plexuses are:

A

postganglionic sympathetic and preganglionic parasympathetic

24
Q

Sympathetic path to abdominal viscera

A

Major and minor splanchnic nerves to celiacomesenteric ganglion and plexus and out to viscera via plexuses which travel along blood vessels

25
T/F All of the "paired arteries" that originate from the abdominal aorta have satellite veins that drain directly or indirectly into the caudal vena cava
T
26
How must the 3 unpaired arteries supplying digestive organs and spleen drain?
Via portal vein. Portal vein will empty into capillary beds, and blood will carry nutrients via caudal vena cava via hepatic veins
27
Portal veins origin and termination
Arises from capillaries in viscera Ends in capillaries in the liver
28
Functions of the hepatic portal circulation
1-Carries nutrient rich blood to liver for metabolic synthesis 2-Carries blood high in ammonia and other toxic by products of digestion to the liver for detoxification
29
The liver receives blood from 2 main vessels
Hepatic artery (high in O2, low in nutrients) Portal vein (low in O2, high in nutrients)