BV and Nerves of Abdomen

Question 1

What are examples of unpaired aortic branches?

Answer 1

Celiac trunk
Superior mesenteric A
Inferior mesenteric C

Question 2

What are the main branches off the celiac trunk?

Answer 2

Common hepatic A
Splenic A
L gastric A

Question 3

What are the branches off L gastric A?

Answer 3

esophageal branches

Question 4

What are the branches off Splenic A?

Answer 4

Posterior gastric A
Pancreatic A
Short gastric A
L gastroepiploic A

Question 5

What does the common hepatic A divide into?

Answer 5

Gastroduodenal A

Proper hepatic A

Question 6

What are the branches off gastroduodenal A?

Answer 6

superior pancreaticoduodenal A

R gastroepiploic A

Question 7

What are the branches off proper hepatic A?

Answer 7

R gastric A
L hepatic A
R hepatic A
———> cystic A

Question 8

What are the branches off Superior Mesenteric A?

Answer 8

Inferior pancreaticoduodenal A
Jejunal A
Ileal A
R colic A
Middle colic A
Ileocolic A

Question 9

What are the brances off Inferior Mesenteric A?

Answer 9

L colic A
Sigmoid A
Superior Rectal A

Question 10

What supplies the distal esophagus?

Answer 10

L gastric A

Question 11

What arteries supply the stomach?

Answer 11

L gastric A
R gastric A
L gastroepiploic A
R gastroepiploic A
Posterior gastric A
Short gastric A
--> by default, splenic A and gastroduodenal A

Question 12

What dupplies the duodenum proximal to the bile duct?

Answer 12

• Gastroduodenal A
• Superior Pancreaticoduodenal A
• Inferior Pancreaticoduodenal A

Question 13

What are the foregut organs?

Answer 13

• Distal esophagus
• Stomach
• Duodenum prox to bile duct
• Liver
• Gallbladder (and cystic duct)
• Pancreas
• Spleen

Question 14

What blood supplies the liver?

Answer 14

Hepatic portal vein

Question 15

What supplies the hepatic bile ducts?

Answer 15

Proper hepatic A

Question 16

What supplies the gallbladder/cystic duct?

Answer 16

Cystic A

Question 17

What supplies the pancreas?

Answer 17

Superior and Inferior Pancreaticoduodenal As (by default–> gastroduodenal A and splenic A)

Question 18

What supplies the spleen?

Answer 18

Splenic A

Question 19

What are the organs of the midgut?

Answer 19

• Duodenum (after bile duct)
• Jejunum
• Ileum
• Cecum
• Appendix
• Ascending Colon
• Transverse Colon (proximal 2/3)

Question 20

What supplies the duodenum distal to the bile duct?

Answer 20

Superior and Inferior Pancreaticoduodenal As

Question 21

What supplies the jejunum?

Answer 21

Branches from superior mesenteric A

Question 22

What supplies the ileum?

Answer 22

• Branches from superior mesenteric A

- Ileocolic A

Question 23

What supplies the cecum?

Answer 23

Ileocolic A

Question 24

What supplies the appendix?

Answer 24

Appendicular As from superior mesenteric A

Question 25

What supplies the ascending colon?

Answer 25

- Ileocolic A | - R colic A

Question 26

What supplies the proximal 2/3 of transverse colon?

Answer 26

Middle colic A

Question 27

What are the structures of the hindgut?

Answer 27

- distal 1/3 Transverse Colon - Descending colon - Sigmoid colon - Rectum - Anal canal

Question 28

What supplies the distal 1/3 transverse colon?

Answer 28

Middle colic A

Question 29

What supplies the descending colon?

Answer 29

L colic A

Question 30

What supplies the sigmoid colon?

Answer 30

Sigmoidal A

Question 31

What supplies the proximal rectum?

Answer 31

Superior rectal A

Question 32

What supplies the middle rectum?

Answer 32

Middle rectal A via Internal Iliac A

Question 33

What supples the distal rectum and anal canal?

Answer 33

Inferior rectal A via Internal Pudendal A

Question 34

What parasympathetic divisions supply GI?

Answer 34

Ant/Post Vagal Trunks | Pelvis Splanchnic N

Question 35

What sympathetics supply GI?

Answer 35

Thoracic, Lubar and Sacral Splanchnic Ns

Question 36

What are the divisions of the thoracic splanchnic N?

Answer 36

Greater splanchnic N Lesser splanchnic N Least splanchnic N

Question 37

Greater splanchnic N

Answer 37

T5-T9 | synapses celiac ganglion

Question 38

What does the greater spanchnic N supply?

Answer 38

esophagus, stomach, spleen, pancreas, liver, biliary system, duodenum, greater omentum

Question 39

Lesser splanchnic N

Answer 39

T10-T11 | synapse superior mesenteric ganglion

Question 40

What does the lesser splanchnic N supply?

Answer 40

within branches of SMA | --> jejunum, ileum, cecum, asc colon, trans colon

Question 41

Least splanchnic N

Answer 41

T12 | synapses aorticorenal ganglion

Question 42

What does the least splanchnic N supply?

Answer 42

within renal A-->kidneys

Question 43

What are the lumbar splanchnic N divisions?

Answer 43

L1 and L2--> IMA | L3 and L4-5--> sup and inf hypogastric pexuses

Question 44

What do the first and second lumbar splanchnic N supply?

Answer 44

desc colon sigmoid colon proximal rectum

Question 45

What do the third and fourth lumbar splanchnic N supply?

Answer 45

Ureter, pelvic cavity and perineum

Question 46

Sacral splanchnic N

Answer 46

S1-5 | synapse in inferior hypogastric plexus

Question 47

What do the sacral splanchinc N supply?

Answer 47

via pudendal N and internal iliac A--> organs of pelvic cavity and perineum

Question 48

Where does the Vagus N terminate in GI?

Answer 48

Enteric plexuses in walls of organs | ---> stomach, liver, pancreas, SI, cecum, Asc colon, Trans colon

Question 49

Where do the pelvic splanchnic N terminate in GI?

Answer 49

Enteric plexuses in desc colon, sigmoid colon, rectum, anal canal, urogenital organs

Question 50

What makes up enteric nervous system?

Answer 50

myenteric plexus --->motility, gastric gland secretion submucosal plexus ------> SI, exocrine and endocrine secretion, micromotility, IMMUNE activity