Characterization of cellular types during the estrous cycle of the Myocastor Coypos (COYPU)

FELIPE, A.E.; BIANCHI, C.P.

Scientifur

INTERNATIONAL FUR ANIMAL SCIENTIFIC ASSOCIATION

Lugar: Tjele; Año: 2009 vol. 33 p. 49 - 53

0105-2403

The aim of the present study was to characterize qualitatively and quantitatively the cellular types observed in colpocytological samples and in the vaginal epithelia of coypu. Colpocytological samples were collected daily and stained with Harris?s hematoxylin and Shorr?s stain. In order to study the vaginal epithelial cells, samples from the vaginal wall were obtained. Later semi-serial cuts were made which were later stained with haematoxylin/eosin. Eight cellular types were differentiated in the smears: basal, parabasal, deep intermediate, superficial intermediate, superficial with vesicular nucleus, superficial with pyknotic nucleus, superficial without nucleus and polymorphonuclear lymphocytes. When the vaginal epithelium of the coypu was evaluated, three cellular layers were observed: deep layer, intermediate layer, and superficial layer.