Somatostatin

Definition

Somatostatin is a hormone that regulates the digestive system by inhibiting the release of several other hormones. It plays a crucial role in slowing down gastric emptying and reducing blood flow within the intestines.

5 Must Know Facts For Your Next Test

1. Somatostatin inhibits the secretion of growth hormone from the anterior pituitary gland.
2. It reduces the release of insulin and glucagon from the pancreas.
3. Somatostatin decreases gastric acid secretion in the stomach.
4. This hormone slows down gastrointestinal motility and reduces nutrient absorption.
5. Somatostatin can be used clinically to treat conditions such as acromegaly and severe diarrhea.

Review Questions

• What role does somatostatin play in regulating digestive hormones?
• How does somatostatin affect insulin and glucagon levels?
• In what clinical conditions might somatostatin be used as a treatment?

Related terms

Gastrin:

A hormone that stimulates the secretion of gastric acid by the stomach.

Insulin:

A hormone produced by the pancreas that regulates blood sugar levels.

Glucagon:

A hormone also produced by the pancreas that raises blood sugar levels when they are too low.