. Animal physiology. Physiology, Comparative. ?"•*«^^ ^x^\\5r: V'/iju^. Fig. 324,—Embryo of Mole : b, footstalk of allantois and „ . , upper portion of intestinal al; /.lower portion; g, eye; h, indication of branchial arches; i, auditory icle; A-, anterior, and /, posterior extremity; w, «. Wolffian bodies or rudi- q, ventricle of heart; r, X, entire ; b, with the abdomen laid open -.—a, chorion umbilical vessels; c, yolk-bag; d, vitelline duct- '? can vesicle; A; anterior, and /, posterior extremity mentary kidneys; o, rudimentary lung; p, trachea atnum of heart. as in Eirds ; but on ac
. Animal physiology. Physiology, Comparative. ?"•*«^^ ^x^\\5r: V'/iju^. Fig. 324,—Embryo of Mole : b, footstalk of allantois and „ . , upper portion of intestinal al; /.lower portion; g, eye; h, indication of branchial arches; i, auditory icle; A-, anterior, and /, posterior extremity; w, «. Wolffian bodies or rudi- q, ventricle of heart; r, X, entire ; b, with the abdomen laid open -.—a, chorion umbilical vessels; c, yolk-bag; d, vitelline duct- '? can vesicle; A; anterior, and /, posterior extremity mentary kidneys; o, rudimentary lung; p, trachea atnum of heart. as in Eirds ; but on account of the absence of food-yolk, these sacs are comparatively small; and the function of both is su- perseded, at an early period of the development of the embr3^o, by a new and remarkable contrivance. The ovum, in passing through the oviduct, has been already stated to receive a new envelope, analogous to that which forms the membrane of the shell in Eirds ; this is termed the Chorion. It is then received into the cavity of the Uterus, a receptacle within which it is delayed for a considerable period, and continually supplied with nourishment drawn from the blood of the parent. From. 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 Carpenter, William Benjamin, 1813-1885. London : H. G. Bohn
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Keywords: ., bookauthorcarpente, bookcentury1800, bookdecade1850, bookyear1859