Males from extinct lines had high variability in reproductive organ size, low sperm counts, low sperm motility, and a high rate of vacuolization of seminiferous tubules. (genetics.org)
Focal dysplasia of pancreatic acinar tissue and marked hypoplasia of seminiferous tubules, depletion of adrenal lipid, and focal atrophy of the skin have been reported. (merckvetmanual.com)
After 20 years developing their method, they say they can turn the progenitor cells that are inside seminiferous tubules, called spermatogonia, into mature sperm. (newscientist.com)