pancreas

Question 1

the pancreas….

Answer 1

an accessory digestive gland, lays retro-peritoneal

Question 2

the secretion type of the pancreas

Answer 2

exocrine = pancreatic juice
endocrine = insulin, glycogen, somatostatin

Question 3

how many parts does the pancreas have? and what is it adjacent to in every part?

Answer 3

• head = has the uncinate process, rests post. on the IVC, the common bile duct is on the post. sup. surface
• neck =behind it the sup. messenteric vein joins the splenic veins to form the portal vein
• body = psses over the 12th vertebra, post. to omental bursa, post, it is in contact with the aorta, sup. mesenteric a., left suprarenal gland, left kidney and renal vessels
• tail = mobile and is inside the splenorenal ligament, lies ant. to the left kidney

Question 4

what are the ducts of the pancreas?

Answer 4

• main pancreatic duct of wirsung
• ampulla of vaters
• accessory pancreatic duct of santorini

Question 5

wirsung’s duct….

Answer 5

begins at the tail through the paenchyma until the head and joins the bile duct to form hepatopancreatic duct

Question 6

ampulla of vater’s

Answer 6

open to the major duodenal papilla of vaters and controlled by oddi’s spincter (smooth muscle)

Question 7

accessory pancreatic duct of santorini

Answer 7

opens into duodenum at a higher portion, begins at the head and opens into santorini’s papilla

Question 8

blood supply of the pancreas

Answer 8

• superior pancreaticoduodenal a.
• inferior pancreaticoduodenal a.
• dorsal pancreatic a.
• pancreatic branch
• great pancreatic a.
• artery of the tail of the pancreas

Question 9

what forms the 1st riolan anastomosis around the head of the pancreas?

Answer 9

the superior and inferior pancreaticoduodenal arteries

Question 10

what is venous drainage of the pancreas?

Answer 10

• pancreatic veins to the splenic vein

- pancreaticoduodenal vein to the superior mesenteric vein

Question 11

lymphatic drainage of the pancreas?

Answer 11

pancreatico splenic lymph node to the superior mesenteric lymph node

Question 12

innervation of the pancreas

Answer 12

• abdomino pelvic splanchnic n. (sympathetic)
• vagus (parasympathetic)
• *** both go to the superior mesenteric plexus