. Senescence and rejuvenescence. Age; Reproduction. 208 SENESCENCE AND REJUVENESCENCE. Figs. 73, 74.—Axial developmental gradients in the chick embryo: Fig. 73, showing the formation of the mesoderm, is from tlie posterior region of tlie same embryo as Fig. 74, from a more anterior region, in which morphogenesis has extended both laterally and ventrally from the mid-dorsal region. From embryological prep- arations of the University of Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance
. Senescence and rejuvenescence. Age; Reproduction. 208 SENESCENCE AND REJUVENESCENCE. Figs. 73, 74.—Axial developmental gradients in the chick embryo: Fig. 73, showing the formation of the mesoderm, is from tlie posterior region of tlie same embryo as Fig. 74, from a more anterior region, in which morphogenesis has extended both laterally and ventrally from the mid-dorsal region. From embryological prep- arations of the University of 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 Child, Charles Manning, 1869-1954. Chicago, Ill. , The University of Chicago Press
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