proestrus
noun
pro·es·trus
| \ (ˌ)prō-ˈe-strəs
\
\
Definition of proestrus
: a period immediately preceding estrus characterized by preparatory physiological changes
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More Definitions for proestrus
proestrus
noun
pro·es·trus
| \ -ˈes-trəs
\
\
variants:
or proestrum \ -ˈes-trəm
\
or chiefly British pro-oestrus
or pro-oestrum \ -ˈēs-
\
\
or chiefly British pro-oestrus
or pro-oestrum \ -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