Dictionary

proestrus

noun pro·es·trus \(ˌ)prō-ˈes-trəs\

Definition of PROESTRUS

:  a period immediately preceding estrus characterized by preparatory physiological changes

Origin of PROESTRUS

New Latin
First Known Use: 1923

proestrus

noun pro·es·trus \-ˈes-trəs\   (Medical Dictionary)

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

Variants of PROESTRUS

pro·es·trus or pro·es·trum \-ˈes-trəm\ or chiefly British pro–oes·trus or pro–oes·trum \-ˈēs-\

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