The diseases of the genital The diseases of the genital organs of domestic animals diseasesofgenita00willrich Year: 1921 6o Diseases of the Genital Orfans direct: that is, when the ovum is discharged from the ovi- sac, its direct connection with the tissues of the mother is finally and permanently severed. The fertilized ovum at first lies free upon the uterine mucosa while nutrient fluids poured out by the endometrium are absorbed by the ovum to provide for its development. Thus far, the life of the Fig. 28—Fetal Cotyledon of Cow showing primary and adventitious Placentae. Photograph. ov


The diseases of the genital The diseases of the genital organs of domestic animals diseasesofgenita00willrich Year: 1921 6o Diseases of the Genital Orfans direct: that is, when the ovum is discharged from the ovi- sac, its direct connection with the tissues of the mother is finally and permanently severed. The fertilized ovum at first lies free upon the uterine mucosa while nutrient fluids poured out by the endometrium are absorbed by the ovum to provide for its development. Thus far, the life of the Fig. 28—Fetal Cotyledon of Cow showing primary and adventitious Placentae. Photograph. ovum has been supremely precarious, relying wholly upon a delicately balanced physiologic state of the oviduct and uterus and their contents. It has no known inherited power to resist the attacks of any bacteria contained within the tubo-uterine cavity and has no known power to maintain a given location. Clinical observation leads readily to the be- lief that the mortality of the fertilized ova during this period


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