proestrus

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noun

A phase of the oestrus cycle, prior to sexual receptivity, during which one or more follicles of the ovary begin to grow.

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Meanings

nounproestrus (uncountable)
  1. uncountableA phase of the oestrus cycle, prior to sexual receptivity, during which one or more follicles of the ovary begin to grow.

Origin

From pro- + estrus.

Full word history & related roots →
Cite this entry
APA

proestrus. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/proestrus

MLA

“proestrus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/proestrus. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “proestrus,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/proestrus.

Source: proestrus on Wiktionary, CC BY-SA 4.0.