. A text-book of embryology for students of medicine [electronic resource]. Embryology; Embryology. Head- process. Node of • Hensen. Neurenteric Fig. 35—Embryonic area of rabbit-embryo (E. v. Beneden): primitive streak begin- ning in cell-proliferation known as the " node of ; (Figs. 36 and 37) shows that this surface-marking is pro- duced by a thickening of the ectoderm along the median line, owing to a proliferation of cells from its under side. The length of the streak is about two-thirds of that of the embryonal area. In the rabbit's ovum it is seen at about the se
. A text-book of embryology for students of medicine [electronic resource]. Embryology; Embryology. Head- process. Node of • Hensen. Neurenteric Fig. 35—Embryonic area of rabbit-embryo (E. v. Beneden): primitive streak begin- ning in cell-proliferation known as the " node of ; (Figs. 36 and 37) shows that this surface-marking is pro- duced by a thickening of the ectoderm along the median line, owing to a proliferation of cells from its under side. The length of the streak is about two-thirds of that of the embryonal area. In the rabbit's ovum it is seen at about the seventh day; in the human germ the time of its appear-. 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 Heisler, John Clement; Waterstone, David, former owner; Duke-Elder, Stewart, 1898-1978, former owner; University College, London. Library Services. Philadelphia : W. B. Saunders Company
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