Hormones and Paracrine Agents in the Digestive System Flashcards
What secretes Secretin ?
duodenal endocrine cells
What secretes CCK ?
duodenal endocrine cells
What secretes HCl ?
parietal cells
What secrete Histamine ?
enterochromaffin (ECL) cells
What secretes Somatostatin ?
D cells
What secretes Pepsin(ogen) ?
chief/principal cells
What secretes Gastrin ?
G cells
What secretes Intrinsic Factor ?
parietal cells
What secretes Bicarbonate in the stomach ?
mucous neck cells
What secretes Gastric Lipase ?
chief/principal cells
What secretes Mucus ?
mucous surface cells
What do parietal cells secrete ?
HCl and Intrinsic Factor
What do ECL cells secrete ?
histamine
What do D cells secrete ?
somatostatin
What do Chief/Principal cell secrete ?
pepsin(ogen) and gastric lipase
What do G cells secrete ?
gastrin
What do Mucous Neck cells in the stomach secrete ?
bicarbonate
What do Mucous Surface cells secrete ?
mucus
What stimulates Secretin to release ?
acid in the duodenum
What stimulates CCK to release ?
fat and protein in the duodenum
What stimulates HCl to release ?
ACh, gastrin, or histamine
What stimulates Histamine to release ?
ACh, or gastrin
What stimulates Somatostatin to release ?
acid in the stomach`
What stimulates Pepsin(ogen) to release ?
acidic conditions
What stimulates Gastrin to release ?
stretching in the stomach, ACh, peptides, or amino acids in the stomach
What stimulates Intrinsic Factor to release ?
ACh, gastrin, or histamine
What stimulates Bicarbonate in the stomach to release ?
secretion of mucus
What stimulates Gastric Lipase to release ?
ACh, or acid secretion
What stimulates Mucus to release ?
irritation of the mucosa
