Cuarto Bloque: Gastrointestinal Hormones Flashcards
Cells that releases gastrin
G-cells
Place we can find gastrin
Mucosa of the antrum
Function of gastrin
Acid secretion
Growth of gastric mucosa
Increases motility
Cells that releases cholecystokinin
I-cells
Place we can find cholecystokinin
Small intestine (mostly duodenum and jejunum)
Cholecystokinin function
Gall bladder contraction
Pancreatic enzyme secretion
Relaxation of Oddi esphincter
Cells that releases secretin
S-cells
Place we can find secretin
Duodenum
Secretin function
Neutralizes acids in the duodenum
Cells that releases somatostatin
D-cells
Place we can find somatostatin
GI tract
Somatostatin function
Shuts down the release of many GI hormones
Cells that releases glucose-dependent insulinotropic peptide (GIP)
K-cells
Place we can find glucose-dependent insulinotropic peptide (GIP)
Duodenum and jejunum
Glucose-dependent insulinotropic peptide (GIP) function
Stimulates insuline release from pancreas