The diseases of the genital The diseases of the genital organs of domestic animals diseasesofgenita01will Year: 1921 64 Diseases of the Genital Organs equidistant points in the cornu corresponding to the ovary from which the ova emanated. If but one embryo is pres- ent in a horn, it is ordinarily near its base, and very rarely may become, as in the mare, bicornual. When near full term, the fetuses may be very irregularly located, owing to the fact that one or several of them has perished and later has been absorbed. Fig. 32—Left. Uterine Cotyledon of Ewe, from which Fetal Cotyledon has be
The diseases of the genital The diseases of the genital organs of domestic animals diseasesofgenita01will Year: 1921 64 Diseases of the Genital Organs equidistant points in the cornu corresponding to the ovary from which the ova emanated. If but one embryo is pres- ent in a horn, it is ordinarily near its base, and very rarely may become, as in the mare, bicornual. When near full term, the fetuses may be very irregularly located, owing to the fact that one or several of them has perished and later has been absorbed. Fig. 32—Left. Uterine Cotyledon of Ewe, from which Fetal Cotyledon has been removed, leaving a cavit}'. Right. Median section of Maternal and Fetal Cotyledon of Ewe, with portion of Chorion attached. At the point where a fertilized ovum becomes located within the uterus, the adjacent uterine walls promptly as- sume increased functional activity, become increased in thickness, and show heightened vascularity. The vital changes occur in the endometrium, and particularly in the placental areas. In ruminants with multiple cotyledonal placentae, the placental areas are already visible in the uterus of the female fetus as definite elevations in the uterine mucosa. When the existing placental areas or caruncles of
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