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Glossary of Physiology Terms -
Prolactin

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Prolactin

Definition:
Peptide hormone produced by the anterior pituitary gland. Prolactin is best known for its action in stimulating the mammary glands to produce milk (lactation).

Prolactin is known to be involved in many other physiological processes including enlargement of the mammary glands in preparation for milk production, sexual gratification, metabolism, regulation of the immune system, and others.

Other resources:
Prolactin (Wikipedia)




Posted: Sunday, June 22, 2014
Last updated: Wednesday, March 12, 2025
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