. The development of the human body : a manual of human embryology. Embryology; Embryo, Non-Mammalian. Fig. 52.—Diagrams Illustrating the Constriction of the Embryo from the Yolk-sac. A and C are longitudinal, and B and D transverse sections. B is drawn to a larger scale than the other figures. the rest of the disk, producing what is termed the vertex bend, a feature characteristic of all later embryos. The marked develop- ment in this embryo of the medullary folds and the occurrence of mesodermic somites have already been mentioned (p. 72). Somewhat more advanced is the Bulle embryo described
. The development of the human body : a manual of human embryology. Embryology; Embryo, Non-Mammalian. Fig. 52.—Diagrams Illustrating the Constriction of the Embryo from the Yolk-sac. A and C are longitudinal, and B and D transverse sections. B is drawn to a larger scale than the other figures. the rest of the disk, producing what is termed the vertex bend, a feature characteristic of all later embryos. The marked develop- ment in this embryo of the medullary folds and the occurrence of mesodermic somites have already been mentioned (p. 72). Somewhat more advanced is the Bulle embryo described by Kollmann and shown from the side and dorsally in Fig. 53, the greater part of the yolk-sac having been removed as well as the most of the amnion. The embryo measured about mm. in length and showed a considerable increase in the number of mesodermic somites, there being about fourteen of them on either side. Pos-. 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
