Term
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Definition
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Term
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Definition
| storage & concentration of bile |
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Term
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Definition
| -produce digestive enzymes & hormones |
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Term
| What is the common hepatic duct? |
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Definition
| carries bile from the liver |
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Term
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Definition
| branches off the common hepatic duct carrying bile to the gallbladder |
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Term
| What is the common bile duct? |
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Definition
| carries bile from gallbladder to the duodenum |
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Term
| What is the pancreatic duct? |
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Definition
| carries pancreatic products to duodenum |
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Term
| What is the ampulla of vater? |
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Definition
| brings pancreatic juices to the duodenum |
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Term
| What is the sphincter of Boyden? |
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Definition
| regulates bile release from gall bladder into the ampulla of Vater |
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Term
| What is the pancreatic sphincter? |
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Definition
| regulates pancreatic juice release from pancreas into ampulla of vater |
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Term
| What is the sphincter of Oddi? |
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Definition
| regulates bile & pancreatic juice release from ampulla of vater into duodenum |
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Term
| What species do not have a gallbladder? |
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Definition
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Term
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Definition
fat digestion
absorption of ADEK |
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Term
| How does the gall bladder concentrate bile? |
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Definition
active transport of Na, Cl & bicarb across the lateral membrane into the intercellular space
-water moves passively via aquaporins |
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Term
| How does the histology of the gall bladder vary between species? From other GIT accessory organs? |
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Definition
ruminant gall bladder does NOT have glands
no muscularis mucosa
no submucosa |
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Term
| How can you tell that you're looking at the mucosa of gall bladder tissue? |
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Definition
will see very tall simple columnar epithelium
no goblet cells
no muscualaris mucosa |
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Term
| What does the islet of langerhans do? |
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Definition
| secrete insulin & glucagon |
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Term
| How is the pancreas both endocrine & exocrine? |
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Definition
endocrine - islets of langerhans produce glucagon & insulin
exocrine - produces digestive secretions & releases into duodenum |
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Term
| If you are seeing centroacinar cells, what tissue are you looking at? |
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Definition
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Term
| If you are seeing islets of langerhans, waht tissue are you looking at? |
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Definition
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Term
| What do centroacinar cells do? |
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Definition
| secrete bicarbonate ions into pancreatic fluid to neutralize SI contents |
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Term
| Describe the ductwork of the pancreas |
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Definition
Centroacinar
Intercalated
Intralobular
Interlobular
Main pancreatic
Duodenum |
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Term
| What type of cells does silver stain identify in the islets of langerhans? |
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Definition
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Term
| What type of cells does immmunofluorescence indentify in the islets of langerhans? |
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Definition
red = beta cells (insulin)
green = alpha cells (glucagon)
blue = nucleus |
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Term
| What do beta cells produce? What colour do they stain? |
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Definition
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Term
| What do alpha cells produce? What colour do they stain? |
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Definition
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Term
[image]
This is gall bladder, what are the layers? |
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Definition
Tunica Mucosa
Tunica Muscularis
Tunica Adventitia |
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Term
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Definition
| centroaciner cell unique to the pancreas! |
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Term
| Centroacinar cells secrete.. |
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Definition
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Term
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Definition
centroacinar cell
intercalated
intralobular
interlobular |
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Term
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Definition
islet of langerhans
endocrine pancreas |
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Term
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Definition
silver stain - black are A cells (glucagon)
red - Beta cells - insulin
green - alpha - glucagon
nlue - nuclei |
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