- Gastrointestinal hormones:
- Gastrin: Stimulates gastric secretion.
- Enterogastrone: Delays emptying of stomach contents.
- Secretin: Stimulates pancreas and liver secretions.
- Pancreozymin: Stimulates more concentrated pancreatic secretions.
- Cholecystokinin: Stimulates gall bladder to release bile into intestines.
- Pancreatic hormones (produced by islets of Langerhans):
- Insulin: Aids in glucose metabolism and glycogen storage, removing glucose from blood;
deficiency produces diabetes mellitus.
- Glucagon: Opposite in effect to insulin; slows glucose metabolism and
stimulates glycogen breakdown by liver, raising blood glucose levels.
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