Morphological aspects of genital female of the opossum (Didelphis sp.)
AbstractEight reproductive systems of opossum females of had been collected (Didelphis sp). Five, had been destined to macrocospic study and three to the microscopical study. These animals were died and fixeded in the Department of Anatomy of the UNIfeob, with formaldehyde 10% from Araçatuba scientific creator - IBAMA. For macrocospic analysis, the reproductive systems had been removed, keeping to its positions "in situ" and were carried through the photographic documentation for macrocospic results. For the microscopical study, the reproductive system was processed routinely by the technique of inclusion in similar of paraffin and cut with 5µm thickness, and the cuts had been stained in HE, Toluidin blue, Picrosirius, PAS (periodic acid Shiff reaction) and tricromo de Masson16, 17. The feminine reproductive system of the opossum was compose for two ovaries, double uterus, two lateral vagins and between these a pseudovaginal canal, these three structures if they join forming the urogenital sinus locking up in a "pubic mount" or genital tubercle, forming an internal common opening to the anus and vulva, call of pseudocloaca or urogenital sinus. Microscopically the ovarios were functional with mono and poliovulares follicles. The uterine tube was characteristic, coated for ciliad prismatic epithelium. The uterine horns had presented epithelium of ciliad prismatic covering. The urogenital sinus presented three tubular structures. Vulva presented the same characteristics of the skin.
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