A text-book of veterinary obstetrics : including the diseases and accidents incidental to pregnancy, parturition and early age in the domesticated animals . Fig. 31. FOBMATIOX OF THE OviSAC IN THE Bitchs Ovaky. Bitch ie(T> Rabbit of an inch. After the rupture of a Graafian vesicle and the escape of the ovum, thecavity of the ovisac is filled with a clot of blood, while its walls arethickened and altered in colour, being in most animals partially everted IXTHnXAL nnnAXS nf Ct:.\HIIATK>\. 53 at the rupturetl orifice. In the Cow and Sheep the folUele has a brick-red colour, and in the Pig i
A text-book of veterinary obstetrics : including the diseases and accidents incidental to pregnancy, parturition and early age in the domesticated animals . Fig. 31. FOBMATIOX OF THE OviSAC IN THE Bitchs Ovaky. Bitch ie(T> Rabbit of an inch. After the rupture of a Graafian vesicle and the escape of the ovum, thecavity of the ovisac is filled with a clot of blood, while its walls arethickened and altered in colour, being in most animals partially everted IXTHnXAL nnnAXS nf Ct:.\HIIATK>\. 53 at the rupturetl orifice. In the Cow and Sheep the folUele has a brick-red colour, and in the Pig it is yellowish-brown—it is then designatedin the human subject, from its colour, the corpus lutcum ; but graduallythe clot shrinks, loses its tint, and the cavity contracts ; at the sametime the walls are hypertrophied, and the tunica granulosa becomeswrinkled and transformed into cylindrical epithelium. By the time the. Fig. Vesicle and Ovum. succeeding ovisac with the ripening ovum has begun to protrude fromthe surface of the ovary, the old ovisac has lost its colour, with muchof its dimensions, and fallen inwards ; the cylindrical epithelium becomesinfiltrated with fat and is gradually absorbed. This change, with col-lapse of the wall, depresses the cicatrix of the aperture ; and these suc-
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyo, bookyear1901
