Spermatogenesis
unseel.com · seminiferous tubule  ·  meiosis  ·  spermiogenesis
stage spermatogonia
ploidy 2n diploid
day 0 of ~64
step
spermatogonia (2n, stem)
spermatocytes (meiosis)
spermatids → sperm (n)
Sertoli cells / tubule wall
Unseel.com · Spermatogenesis