Definition: Chemical substances which inhibit the process of spermatozoa formation at either the first stage, in which spermatogonia develop into spermatocytes and then into spermatids, or the second stage, in which spermatids transform into spermatozoa.
consider also SPERMATOGENESIS /drug eff & ANTISPERMATOGENIC AGENTS
Other names Agents, Spermatogenesis-Blocking; Agents, Spermatogenesis Blocking; Spermatogenesis Blocking Agents