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estrus

Pronunciation: es'trus

Definition: That portion or phase of the sexual cycle of female animals characterized by willingness to permit coitus; readily detectable behavioral and other signs are exhibited by animals during this period.

Synonym(s): heat3

[G. oistros, mad desire]

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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