. The development of the human body : a manual of human embryology. Embryology; Embryo, Non-Mammalian. Fig. 19.—Four Stages in the Segmentation Chick.—(Coste.) of the Blastoderm of the Beyond this period no regularity can be discerned in the appearance of the segmentation planes; but radial and circular divisions con- tinuing to form, the disk becomes divided into a large number of cells, those at the center being much smaller than those at the per- iphery. In the meantime, however, the smaller central cells have begun to divide in planes parallel to the surface of the disk, which, from being
. The development of the human body : a manual of human embryology. Embryology; Embryo, Non-Mammalian. Fig. 19.—Four Stages in the Segmentation Chick.—(Coste.) of the Blastoderm of the Beyond this period no regularity can be discerned in the appearance of the segmentation planes; but radial and circular divisions con- tinuing to form, the disk becomes divided into a large number of cells, those at the center being much smaller than those at the per- iphery. In the meantime, however, the smaller central cells have begun to divide in planes parallel to the surface of the disk, which, from being a simple plate of cells, thus becomes a discoidal cell- 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: 1625px × 1538px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookautho, bookcentury1900, bookdecade1910, booksubjectembryology
