. The elements of Embryology. Embryology. X.] THE HUMAN EMBRYO. Fig. 110. 337 cJi. Three Early Human Embryos. (Copied from His.) A. Side view of an early embryo described by His. B. Embryo of about 12—14 days described by Allen Thom- son. C. Young embryo described by His. am. amnion; md. medullary groove ; um. umbilical vesicle; cli. chorion, to which the embryo is attached by a stalk. and yolk-sac filled up but a very small part of the whole cavity of the vesicle. The embryo, which was probably not quite normal (Fig. 110 A), was very imperfectly developed; a me- dullary plate was hardly indic
. The elements of Embryology. Embryology. X.] THE HUMAN EMBRYO. Fig. 110. 337 cJi. Three Early Human Embryos. (Copied from His.) A. Side view of an early embryo described by His. B. Embryo of about 12—14 days described by Allen Thom- son. C. Young embryo described by His. am. amnion; md. medullary groove ; um. umbilical vesicle; cli. chorion, to which the embryo is attached by a stalk. and yolk-sac filled up but a very small part of the whole cavity of the vesicle. The embryo, which was probably not quite normal (Fig. 110 A), was very imperfectly developed; a me- dullary plate was hardly indicated, and, though the mesoblast was unsegmented, the head fold, separating the embryo from the yolk-sac {um), was already in- F. & B. 22. 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 Foster, M. (Michael), Sir, 1836-1907. London, MacMillan
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Keywords: ., bookautho, bookcentury1800, bookdecade1880, booksubjectembryology
