Pancreas histo Flashcards
(38 cards)
Where is the pancreas located in the body
retroperitoneal at level of 2nd lumbar
whic artery defines the neck of the pancreas
gastroduodenal
What lays antero superior to the pancreas
the stomach
What merges directly behind the pancreas
superior mesenteric vein and portal vein
At what level in the body is the tail of the pacreas approx at
T12
where does the pancreas terminate
within splenophrenic lig
What part of the colon can be injured during a splenectomy
the splenic or R flexure
Describe the P difference in the common bile duct than pancreas
pancreas has higher P to proven backflow
what does the main pancreatic duct merge with and where
merges with common bile duct at the ampulla of Vater, main hepatopancreatic ampulla
What does the acessory duct of Santorini drain
superior portion of head and empties separately into duodenum
Where do the superior pancreaticoduodenal aa come from
gastroduodenal
where do the inferior pancreaticoduodenal aa come from
superior mesenteric
where does the dorsal pancreatic a come from
splenic
where does the great pancreatic a come from
splenic
where does the caudal pancreatic a come from
splenic
Describe venous drainage of pancreas
anterior and posterior drain head and body to SMV or portal vein
splenic vein drains body and tail, ultimately to hepatic portal vein
What are the 2 major components of the pancreas
acini and ducts
what is the role of acinar cells
secrete digestive enzymes like amylase, lipase and trypsinogen
What is the role of duct cells
secrete water and electrolytes
centroacinar and intercalated duct cells secrete bicarb
what can larger duct cells secrete too
mucins
What is the fluid like in the pancreas
alkaline and isoosmotic
How can the pancreatic fluid be alkaline with digestive enzymes
enzymes ar activated in the duodenum by an acidic pH
Is the pancreas more exocrine or endocrine
exocrine, less than 2% has endocrine functions
What are the endocrine cells in the pancreas
islets of Langerhans
