proestrus

(from the article `dog`) The heat cycle of the female lasts from 18 to 21 days. The first stage is called proestrus. It begins with mild swelling of the vulva and a bloody ... ...produces a phenomenon known as the estrous cycle. Estrus, or `heat,` typically coincides with ovulation, and during this time the female is ... [2...
Found on http://www.britannica.com/eb/a-z/p/118

proestrus

(pro-es´trәs) the period of heightened follicular activity preceding estrus.
Found on http://www.encyclo.co.uk/local/21001

proestrus

In the estrus cycle, the period just before estrus.
Found on http://www.thehorse.com/Glossary.xhtml?L=P

proestrus

Phase of the estrous cycle preceding estrus during which the graafian follicle undergoes maturation. Applies to animals. ... (12 Dec 1998) ...
Found on http://www.encyclo.co.uk/local/20973

proestrus

Proestrus is the beginning of the bitch
Found on http://www.vetmed.wsu.edu/glossary/glossary.asp

proestrus

The part of the bitches season or cycle during which a bloody vaginal discharge is seen.
Found on http://www.vetmed.wsu.edu/glossary/glossary.asp

Proestrus

The period immediately before estrus in most female mammals, characterized by development of the endometrium and ovarian follicles.
Found on http://www.apluspetgoods.com/petsupplies/dog-glossary.php

proestrus

Type: Term Pronunciation: prō-es′trŭs Definitions: 1. The period in the estrus cycle preceding estrus, characterized by the growth of the graafian follicles and physiologic changes related to estrogen production. Synonyms: proestrum
Found on http://www.medilexicon.com/medicaldictionary.php?t=72563
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