# luteotropin

> English word · Noun

## Definitions
1. Prolactin; a peptide gonadotrophic hormone secreted by the pituitary gland that stimulates growth of the mammary glands and lactation in females.

## Etymology
From luteo- + tropin.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/luteotropin