title: Gonadotropin-induced anomalies of the zona pellucida of the baboon ovum.
abstract: Vesiclulation and other anomalies were observed in the zona pellucida about the ovum of female baboons (Papio anubis) that had received treatment with Pergonal and human chorionic gonadotropin; and in somiie instances the zona pellucida was absent.
mesh_terms: D000818:Animals; D006063:Chorionic Gonadotropin / Q000494:pharmacology*; D005260:Female; D006065:Gonadotropins, Pituitary / Q000494:pharmacology*; D000882:Haplorhini; D066298:In Vitro Techniques; D010063:Ovum / Q000187:drug effects*
chemical_list: D006063:Chorionic Gonadotropin; D006065:Gonadotropins, Pituitary