proestrus

play
noun pro·es·trus \ (ˌ)prō-ˈes-trəs \

Definition of proestrus

:a period immediately preceding estrus characterized by preparatory physiological changes

Origin and Etymology of proestrus

New Latin


Medical Dictionary

proestrus

play
noun pro·es·trus \ -ˈes-trəs \
variants: or proestrum play \-ˈes-trəm\ or chiefly British pro-oestrus or pro-oestrum play \-ˈēs-\

medical Definition of proestrus

:a preparatory period immediately preceding estrus and characterized by growth of graafian follicles, increased estrogenic activity, and alteration of uterine and vaginal mucosa

Learn More about proestrus


Seen and Heard

What made you want to look up proestrus? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

all at once

Get Word of the Day daily email!

Test Your Vocabulary

Challenging Vocabulary Quiz Returns!

  • stylized-drawing-of-woman-pole-vaulting-across-gap-to-get-trophy
  • Which is a synonym of fuliginous?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!