ψ 
ψ 
ψ 
ψ 
Antispermatogenic Agents 
Agents, either mechanical or chemical, which destroy spermatozoa in the male genitalia and block spermatogenesis.  MeSH definition says "mechanical or chemical"; consider also SPERMATOZOA /drug eff & SPERMATOGENESIS /drug eff, etc.    Other names Sperm Maturation Blocking Agents; Agents, Antispermatogenic; Blocking Agents, Sperm Maturation; Sperm Maturation Blocking Agents
Substances having this pharmacologic action: triptolide; 5-thio-D-glucose; molinate; lonidamine