Spermatogenesis cycle is shorter than believed.

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  • Author(s): Carlson, Robert H.
  • Source:
    Urology Times. 10/1/2005, Vol. 33 Issue 12, p16-16. 1/3p.
  • Additional Information
    • Subject Terms:
      SPERMATOGENESIS; GAMETOGENESIS; GERM cells; SPERMATOZOA; GAMETES; EPIDIDYMIS
    • Abstract:
      Reports that the average combined time necessary for both human spermatogenesis and epididymal transit time is only 64 days, according to a study using a novel in vivo, noninvasive isotope labeling method. Contrast with currently accepted estimates; Observation of considerable variability among men in the time it normally takes to make and ejaculate sperm.