mon·o·stome 
(mŏnə-stōm′)
(mŏnə-stōm′)adj.
Having only one mouth or oral sucker, as certain trematodes.
[From Greek monostomos : mono-, mono- + stoma, mouth.]
mono·stome′ n.
- spermatial
- spermatic
- spermatic cord
- spermatid
- spermatium
- spermato-
- spermatocidal
- spermatocide
- spermatocyte
- spermatogenesis
- spermatogenetic
- spermatogenic
- spermatogonial
- spermatogonium
- spermatophoral
- spermatophore
- spermatophyte
- spermatophytic
- spermatorrhea
- spermatorrhoea
- spermatozoal
- spermatozoan
- spermatozoic
- spermatozoid
- spermatozoon