The diseases of the genital The diseases of the genital organs of domestic animals diseasesofgenita00willrich Year: 1921 The Fetal Membranes 63 gers are obviated in part by the formation of the placenta. The placenta consists of two complementary parts—one due to a special development of the whole or certain areas of the uterine mucosa, or endometrium, of the mother, and the other to an analogous development from the chorion of the fetus. The embryo or embryos early become arrested and detained for the rest of intra-uterine life in a definite and comparatively fixed location. In unipara the
The diseases of the genital The diseases of the genital organs of domestic animals diseasesofgenita00willrich Year: 1921 The Fetal Membranes 63 gers are obviated in part by the formation of the placenta. The placenta consists of two complementary parts—one due to a special development of the whole or certain areas of the uterine mucosa, or endometrium, of the mother, and the other to an analogous development from the chorion of the fetus. The embryo or embryos early become arrested and detained for the rest of intra-uterine life in a definite and comparatively fixed location. In unipara the rule is Fig. 31—Chorionic Placenta of Ewe. The right hand figure includes a portion of the Chorion. that the embryo becomes located partly within the cavity of the uterine body, with the remainder of its body lying in that horn of the uterus from the corresponding ovary of which the ovum was derived. Pathologically, the fetus of a soliped, instead of growing into the uterine body, may ex- tend across the ovarian end of the uterine body cavity into the opposite horn, to constitute bicornual pregnancy. In multipara the embryos become halted at approximately
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