intro to pancreas and gallbladder W4 Flashcards
gallbladder features
below liver
mucosa form rugae
functions - store bile (for fat absorption), when triggered by CCK it empties
what is CCK
peptide hormone of the gut
where does the gallbladder empty into
cystic duct
what is the common bile duct formed by
joining of cystic duct and common hepatic duct
what is the common hepatic duct formed by
joining of left and right hepatic ducts
path of the common bile duct?
runs through the pancreas, joins the pancreatic duct, empties in Ampulla of Vater
features of the pancreas
head - curve of duodenum
tail - touches spleen
body - in-between
retroperitoneal
endocrine and exocrine function
features of the exocrine pancreas?
majority of pancreatic tissue
acinar arrangement like liver
complex ductal collecting system ending in pancreatic duct
secretes pancreatic juice eg digestive enzymes, sodium bicarbonate
features of the endocrine pancreas?
islands of endocrine cells ‘islet of langerhans’
beta and alpha cells
secrete hormones systemically into capillaries - eg insulin and glucagon
insulin and glucagon are secreted from which pancreatic cells?
beta cells - insulin
alpha cells - glucagon