Abdominal Vessels and Nerves

Question 1

Name the three unpaired ventral branches of the abdominal aorta

Answer 1

Celiac a
Cranial mesenteric a
Caudal mesenteric a

Question 2

Answer 2

1) Celiac a
2) cranial mesenteric a
3) caudal mesenteric a

Question 3

What does the celiac a supply

Answer 3

cranial viscera of the abdomen (liver, stomach, spleen)

and branches to pancreas and abdomen

Question 4

Name the three branches of the celiac a and what they supply

Answer 4

Hepatic a (liver)
left gastric a (stomach)
splenic a (spleen)

Question 5

Answer 5

2) celiac artery
3) Hepatic a
4) splenic a
5) left gastric a

Question 6

List the branches of the hepatic a

Answer 6

Right gastric a.
Gastroduodenal a.
Right gastroepiploic a.
Cranial pancreaticoduodenal a.

Question 7

Which two arteries anastomose in the lesser curvature of the stomach

Answer 7

RIght gastric and left gastric a

Question 8

List the main branch of the left gastric a

Answer 8

esophageal

Question 9

Main branches of splenic a and where they are located

Answer 9

Left gastroepiploic a - Greater curvature of the stomach

Numerous branches entering elongated splenic hilus

Short gastric arteries and veins entering stomach close to apex of spleen

Question 10

Answer 10

1) Left gastric a
2) Right gastric a
3) Hepatic a
4) Left gastroepiploic a
5) Celiac a
6) Splenic a
7) cranial pancreaticoduodenal a
8) gastroduodenal a
9) right gastroepiploic a

Question 11

What does the cranial mesenteric a supply

Answer 11

majority of the small and large intestine

Question 12

List the branches of the cranial mesenteric a

Answer 12

Jujenal aa
Ileocolic a
Middle colic a
Caudal pancreaticoduodenal a

Question 13

List the branches of the ileocolic a and what they supply

Answer 13

Ileal a (ileum)
Cecal a (cecum)
Right colic a (ascending colon)

Question 14

What does the middle colic a supply

Answer 14

Transverse colon

Question 15

Clin sig of transverse colon location

Answer 15

Located cranially to cr mesenteric a so can be used as a landmark for the artery and vice versa

Question 16

Answer 16

3) Middle colic a
4) Ileocolic a
5) Right colic a
7) cecal a
9) Ileal a
10) pancreaticoduodenal a
11) jujenal a

Question 17

The antimesentetic ileal a is a branch off of which a

Answer 17

Cecal a

Question 18

The mesenteric ileal a arises from which a

Answer 18

Continuation of ileocolic a

Question 19

Answer 19

1) Colic a
2) Cecal a
3) Ileocolic a
4) Mesenteric ileal br
5) Antimesenteric ileal a

Question 20

What does the caudal pancreaticoduodenal a supply

Answer 20

Right lobe of pancreas and part of duodenum

Question 21

Answer 21

Pancreaticoduodenal a

Question 22

What does the caudal mesenteric a

Answer 22

Descending colon and rectum

Question 23

Name the branches of the caudal mesenteric a

Answer 23

Left colic a
Cranial rectal a

Question 24

Answer 24

1) Caudal mesenteric a
2) Cranial rectal a
3) Left colic a

Question 25

List the paired arteries of the aorta

Answer 25

Lumbar arteries (dorsal) Renal arteries Ovarian/testicular arteries

Question 26

Answer 26

1) Ovarian/testicular arteries 2) Renal a 3) Lumbar a

Question 27

Describe the veins in the abdomen

Answer 27

Satellites of the arteries draining the blood to liver through HEPATIC PORTAL VEIN Exit the liver as HEPATIC VEINS draining to Caudal vena cava

Question 28

Answer 28

1) caudal vena cava 21) Hepatic vein 38) Hepatic portal vein

Question 29

Answer 29

8) Sympathetic trunk 11) Major/Greater splacnic n 14) Minor/lesser splacnic n 17) Lumbar splacnic n

Question 30

Name the ganglia and describe how they are named

Answer 30

celiac and cranial mesenteric ganglia are named for the arteries on which they lie. Their close association results in calling the two together the CELIACOMESENTERIC GANGLION and plexus

Question 31

Answer 31

Celiacomesenteric ganglion

Question 32

Name main nerve off caudal mesenteric ganglion and what is supplies

Answer 32

Hypogastric n Supplies pelvic cavity

Question 33

Answer 33

1) Greater splanchnic n 2) Lesser splanchnic n 3) Coeliac ganglion and cranial mesenteric ganglion 4) Lumbal splanchnic nerves 5) Caudal mesenteric ganglion 6) Hypogastric n

Question 34

Name the two main parasympathetic nerves in abdomen

Answer 34

Dorsal vagal trunk Ventral vagal trunk

Question 35

Name the branch off the dorsal vagal trunk and what it contributes to

Answer 35

celiac branch which contributes to celiacomesenteric plexus

Question 36

What does the ventral vagal trunk supply

Answer 36

liver, parietal surface of the stomach and the pylorus

Question 37

Answer 37

4) Dorsal vagal trunk 4a) Celiac branch 2) Ventral vagal trunk

Question 38

how does the vagus nerve enter the abdomen

Answer 38

Via the esophageal hiatus in the diaphragm along dorsally and ventrally to the esophagus

Question 39

Answer 39

1) Dorsal vagal trunk 2) Ventral vagal trunk 3) Abdominal part of vagus nerve