. Senescence and rejuvenescence. Age; Reproduction. igo SENESCENCE AND REJUVENESCENCE This cycle of changes, which may occur within a few hours and which may be repeated in a single cell, is, I believe, not funda- mentally different from the age cycle in organisms. All the essen- tial features of both senescence and rejuvenescence up to a certain. Figs. 66, 67.—Pancreas cells of toad: Fig. 66, fully loaded and almost quiescent; Fig. 67, partially discharged after stimulation. From preparations loaned by R. R. Bensley. point are present. The cell probably does not return to the em- bryonic cond
. Senescence and rejuvenescence. Age; Reproduction. igo SENESCENCE AND REJUVENESCENCE This cycle of changes, which may occur within a few hours and which may be repeated in a single cell, is, I believe, not funda- mentally different from the age cycle in organisms. All the essen- tial features of both senescence and rejuvenescence up to a certain. Figs. 66, 67.—Pancreas cells of toad: Fig. 66, fully loaded and almost quiescent; Fig. 67, partially discharged after stimulation. From preparations loaned by R. R. Bensley. point are present. The cell probably does not return to the em- bryonic condition at any point in the cycle, but it certainly does undergo changes similar in character to those of the age cycle, though their period is short. At the same time the gland cell may be undergoing senescence in the stricter sense, that is, more. 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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