title: Spermatogenesis in leeches. I. Evidence for a gonadotropic peptide hormone produced by the supraoesophageal ganglion of Erpobdella octoculata.
mesh_terms: D000818:Animals; D005724:Ganglia / Q000166:cytology / Q000502:physiology*; D006062:Gonadotropins / Q000502:physiology*; D007865:Leeches / Q000502:physiology*; D008297:Male; D012741:Sexual Maturation; D013091:Spermatogenesis / Q000187:drug effects*; D013737:Testis / Q000166:cytology* / Q000187:drug effects
chemical_list: D006062:Gonadotropins