McLachlan et al (2002) point out the fact that mammalian spermatogenesis requires an intratesticular testosterone concentration many times higher than normal serum levels.
Ken P
KP
Roberts
D000818:Animals; D008297:Male; D009994:Osmolar Concentration; D051381:Rats; D013091:Spermatogenesis / Q000502:physiology*; D013737:Testis / Q000378:metabolism*; D013739:Testosterone / Q000378:metabolism*
D013739:Testosterone