Anoestrum

/ænˈɛstrəm/ noun

Definition

The period in the reproductive cycle of female mammals when they are not in estrus; a resting phase of the reproductive cycle.

Etymology

From Greek 'an-' (without) + 'estrum' (estrus/heat). Used interchangeably with 'anestrum' in scientific literature, especially in British English.

Kelly Says

For female mammals, 'anoestrum' is the calm-down period after fertility ends—it's not just about biology, it's about understanding animal behavior and using that knowledge in farming, conservation, and veterinary medicine.

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