. The development of the human body : a manual of human embryology. Embryology; Embryo, Non-Mammalian. FORMATION OF THE GERM LAYERS 55 While these changes have been taking place a splitting of the enveloping layer has occurred, so that the wall of the ovum is now formed of three layers, an outer one which may be termed the trophoblast, a middle one which probably is transformed into the extra-embryonic mesoderm of later stages, though its significance is at present somewhat obscure, and an inner one which is the. Please note that these images are extracted from scanned page images that may hav
. The development of the human body : a manual of human embryology. Embryology; Embryo, Non-Mammalian. FORMATION OF THE GERM LAYERS 55 While these changes have been taking place a splitting of the enveloping layer has occurred, so that the wall of the ovum is now formed of three layers, an outer one which may be termed the trophoblast, a middle one which probably is transformed into the extra-embryonic mesoderm of later stages, though its significance is at present somewhat obscure, and an inner one which is the. 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.
Size: 1120px × 2231px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookautho, bookcentury1900, bookdecade1910, booksubjectembryology
