| Term | Definition |
|---|
| Location | posterior to stomach, extends laterally from duodenum towards spleen |
| Head | broad, lies within loop formed by duodenum as it leaves pylorus |
| Body | slender, extends toward spleen |
| Tail | short and bluntly rounded |
| Capsule | transparent connective tissue; through it you can see pancreatic lobules, associated blood vessels and excretory ducts |
| Function | exocrine organ producing digestive enzymes and buffers; also serves endocrine function |
| Pancreatic duct | delivers secretions to duodenal ampulla, secretes buffers in a watery solutions; neutralizes acid in chyme and stabilizes pH of intestines |
| Accessory pancreatic duct | may branch from pancreatic duct before leaving pancreas; will empty into duodenum at lesser duodenal papilla |
| Lesser duodenal papilla | separate papilla that accessory pancreatic duct typically empties into; lies a few centimeters proximal to greater duodenal papilla |
| Arteries | blood reaches pancreas through branches of splenic, superior mesenteric and common hepatic |
| Pancreatic and pancreaticoduodenal arteries | superior and inferior; major branches of the arteries that supply arterial blood |
| Splenic vein and branches | drains the pancreas |
| Type of gland | compound tubuloacinar gland |
| Pancreatic acini | blind sockets that ducts branches end at within each lobule |
| Lining of pancreatic acinus | simple cuboidal epithelim |
| Pancreatic islets | between the acini; 1% of cell population |
| Pancreatic juice | secreted by pancreatic acini; water, ions, pancreatic digestive enzymes; secreted into duodenum; sodium bicarbonate |
| Pancreatic enzymes | break down ingested materials into small molecules suitable for absoprtion in small intestine |
| Types of pancreatic enzymes | lipases, carbohydrases, nucleases and proteolytic enzymes |
| Lipases | digest lipids |
| Carbohydrases | digest sugars and starches (ie. pancreatic amylase) |
| Nucleases | attack nucleic acids |
| Proteolytic | break proteins apart (ie. proteinases and peptidases) |
| Proteinases | break apart large protein complexes |
| Peptidases | break small peptide chains into individual amino acids |
| Duodenum | regulates secretion of pancreatic juice through hormonal instructions |
| Secretin | hormone that triggers production of watery pancreatic juice |
| Cholecystokinin | duodenal hormone, stimulates production and secretion of pancreatic enzymes |
Combine with other sets
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