. The diseases of the genital organs of domestic animals. Horses; Genital Diseases, Male -- veterinary; Genital Diseases, Female -- veterinary. 66 Diseases of the Genital Organs III. Sometimes, also, as shown in Plate II, the chorion be- comes necrotic where it passes across the os uteri internum. The common, small necrotic tips, shown in Figs. 35 and 36, are designated as "normal" by embryologists but these pass by imperceptible gradations into the degree of necrosis shown in Plate III which is clearly and grossly pathologic. The allantoic sac, fully distended with fluid, fills the
. The diseases of the genital organs of domestic animals. Horses; Genital Diseases, Male -- veterinary; Genital Diseases, Female -- veterinary. 66 Diseases of the Genital Organs III. Sometimes, also, as shown in Plate II, the chorion be- comes necrotic where it passes across the os uteri internum. The common, small necrotic tips, shown in Figs. 35 and 36, are designated as "normal" by embryologists but these pass by imperceptible gradations into the degree of necrosis shown in Plate III which is clearly and grossly pathologic. The allantoic sac, fully distended with fluid, fills the uterine cavity in such a manner that violent movements of the mother cannot readily cause any material displacement be- tween the uterine wall and the chorion, but both are moved 0 m %. Fig. 34. Same as Fig-. 33. x 900. (Pomayer). as a unit, obviating largely any dragging upon the placenta which might threaten to cause injury thereto. The fetus floats within the amniotic fluid and the amniotic sac, in turn, floats within the allantoic fluid. In solipeds, swine and carnivora, the amniotic sac floats freely within the allantoic fluid, except for the allantoic segment of the um- bilic cord; in ruminants, the dorsum of the amniotic sac is intimately fused with the chorion, obliterating the allantoic cavity in this area. The fetuses of solipeds, swine, and carnivora may be expelled from the uterus through a rent in the chorion, with the more or less intact amnion envel- oping them, but in ruminants the adhesion of the amnion. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Williams, W. L. (Walter Long), 1856-1945; Williams, Walter Wilkinson, 1892-. Ithaca, N. Y. : The Author
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecthorses, bookyear1921
