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University of Utah School of Medicine,3 Department of Obstetrics and Gynecology, Salt Lake City, Utah 84132-2209
Yerkes National Primate Research Center,4 Emory University, Atlanta, Georgia 30329-4208
Department of Psychology,5 University of Massachusetts-Amherst, Amherst, Massachusetts 01003
Department of Anthropology,6 University of Utah, Salt Lake City, Utah 84112-0060
ABSTRACT
We retrieved ovarian sections taken from necropsies of 19 captive chimpanzees (Pan troglodytes) aged 0–47 yr, counted the number of primordial follicles in each, and compared the rate of decline in numbers to declines previously documented in humans. The follicular depletion rate in this sample was indistinguishable from that shown across the same ages in classic human data sets. This result supports earlier suggestions that ovarian senescence occurs at the same ages in chimpanzees and humans, implying that the influence of declining ovarian function on other physiologic systems may be distinctively buffered in humans.
aging,, chimpanzee,, follicle,, ovary
1Supported by National Institutes of Health (NIH) grant RR-00165 and NIH grant P01AG026423 to the Yerkes National Primate Research Center.
Correspondence: 2K. Hawkes, University of Utah, Department of Anthropology, 270 South 1400 East Stewart 102, Salt Lake City, UT 84112. FAX: 801 581 6252; e-mail: hawkes{at}anthro.utah.edu
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