paracrine - diffuse short distance Flashcards
1
Q
somatostatin
A
- inhibits secretion of GI hormones and H+ secretion
- secreted by D-cells in GI mucosa, hypothalamus, and δ cells in exocrine pancreas
2
Q
histamine
A
- stimulates H+ secretion
- stored and secreted from enterochromaffin like cells in gastric glands