. A text-book of comparative physiology [microform] : for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative; Veterinary physiology; Physiologie comparée; Physiologie vétérinaire. Flo. « on during Mriy ttagM of d«TC)opiiwnt A Md B, front and Bide view of an ovnm anppoaed to be abont thirteen day* old; «. embrronic am (Qoaln, after Helchert); C. o»»m of four io tm wedti. ahowlng the nmcral â atiractnte of the ovnm before formation of the plaeenta. ..«»*of the w^ITof the ovam ii removed to show the embryo in poeltlon (after Allen Thomaon).
. A text-book of comparative physiology [microform] : for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative; Veterinary physiology; Physiologie comparée; Physiologie vétérinaire. Flo. « on during Mriy ttagM of d«TC)opiiwnt A Md B, front and Bide view of an ovnm anppoaed to be abont thirteen day* old; «. embrronic am (Qoaln, after Helchert); C. o»»m of four io tm wedti. ahowlng the nmcral â atiractnte of the ovnm before formation of the plaeenta. ..«»*of the w^ITof the ovam ii removed to show the embryo in poeltlon (after Allen Thomaon). At this stage the condition of the chorion suggests the type of the difiPuse placenta which is normal for certain groups of animals, as will presentiy be learned. The subsequent changes are much better understood, for parts are in general no longer microscopic but of considerable sin, and their real structure less readily obscured or obliterated. The amniotic cavity continues to enlarge by growth of the walls of the amnion and is kept filled with a fluid; the yelk-sac. 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 Mills, Wesley, 1847-1915. New York : D. Appleton; London : Caxton House
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Keywords: ., bookauthormillswes, bookcentury1800, bookdecade1890, bookyear1890
