. The development of the human body : a manual of human embryology. Embryology; Embryo, Non-Mammalian. Fig. 39.—The Embryo v. H. of von Spee. The Left Half of theT Chorion has been Removed to show the Embryo. a, Amniotic cavity; b, belly-stalk; ch, chorion; d, yolk-sac; e, extra-embryonic ccelom; ky embryonic disk; 2, chorionic villus.—{vonSpee.) little advanced beyond the stage shown by the Peters embryo. The thickening of the chorionic mesoderm that encloses the amni- otic cavity has increased in size and now forms a pedicle, known as the belly-stalk (Fig. 39, 6), at the extremity of which i


. The development of the human body : a manual of human embryology. Embryology; Embryo, Non-Mammalian. Fig. 39.—The Embryo v. H. of von Spee. The Left Half of theT Chorion has been Removed to show the Embryo. a, Amniotic cavity; b, belly-stalk; ch, chorion; d, yolk-sac; e, extra-embryonic ccelom; ky embryonic disk; 2, chorionic villus.—{vonSpee.) little advanced beyond the stage shown by the Peters embryo. The thickening of the chorionic mesoderm that encloses the amni- otic cavity has increased in size and now forms a pedicle, known as the belly-stalk (Fig. 39, 6), at the extremity of which is the yolk-sac. Fig. 40.—Embryo from the Beneke Ovum, the Roof of the Amniotic Cavity having been Removed. From a model, b, Belly-stalk; , primitive groove; y, yolk-sac —{Strahl and Beneke.) (d). Furthermore, the amniotic cavity (a) now lies somewhat excen- trically in this pedicle, being near what may be termed its anterior surface, and the entire embryo projects like a papilla from the inner surface of the chorion into the extra-embryonic ccelom. Fig. 40 is. 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