spermatogenetic
adjective
sper·mato·ge·net·ic
(ˌ)spər¦matəjə̇¦netik,
¦spərmət-
variants or spermatogenic
¦spərmətə¦jenik 
(ˌ)spər¦mat-
: of, relating to, or constituting spermatogenesis
Word History
Etymology
spermat- + -genetic or -genic
- the black death
- the blahs
- the blame game
- the blind
- the blind leading the blind
- the blood drained from someone's face
- the bloody hell
- the blue
- the blues
- the boards
- the body politic
- the bomb
- the bonds of holy matrimony
- the book
- the boondocks
- the boonies
- the boot is on the other foot
- the border
- the bottle
- the bottom drops out
- the bottom drops/falls out
- the bottom falls out
- the bottom of the barrel
- the bourgeoisie
- the bowels