. The development of the human body : a manual of human embryology. Embryology; Embryo, Non-Mammalian. THE AMNION III chorion occurs. Suspended by the umbilical cord, which has by this time developed, the embryo floats freely in the amniotic cavity, which is filled by a fluid, the liquor amnii, whose origin is involved in doubt, some authors maintaining that it infiltrates into the cavity from the maternal tissues, while others hold that a certain amount. Fig. 65.—Diagrams Illustrating the Formation of the Umbilical Cord. The heavy black line represents the embryonic ectoderm; the dotted line
. The development of the human body : a manual of human embryology. Embryology; Embryo, Non-Mammalian. THE AMNION III chorion occurs. Suspended by the umbilical cord, which has by this time developed, the embryo floats freely in the amniotic cavity, which is filled by a fluid, the liquor amnii, whose origin is involved in doubt, some authors maintaining that it infiltrates into the cavity from the maternal tissues, while others hold that a certain amount. Fig. 65.—Diagrams Illustrating the Formation of the Umbilical Cord. The heavy black line represents the embryonic ectoderm; the dotted line represents the line of reflexion of the body ectoderm into that of the amnion. Ac, Amniotic cavity; Al, allantois; Be, extra-embryonic ccelom; Bs, belly-stalk; Ch, chorion; P, placenta; Uc, umbilical cord; V, chorionic villi; Ys, yolk-sac. of it at least is derived from the embryo. It is a fluid with a specific gravity of about an(^ contains about 1 per cent, of solids, principally albumin, grape-sugar, and urea, the last constituent probably coming from the embryo. When present in greatest quantity—that is to say, at about the beginning of the last month. 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 McMurrich, J. Playfair (James Playfair), 1859-1939. Philadelphia : P. Blakiston's son & co.
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Keywords: ., bookautho, bookcentury1900, bookdecade1910, booksubjectembryology
