title: Zona pellucida of rhesus monkey ovum after gonadotropin stimulation.
abstract: The outer part of the zona pellucida of ovarian ova from rhesus monkeys (Macaca mulatta) treated with Pergonal and human chorionic gonadotropin appears diffusely vesiculated in the electron microscope but not in the light microscope.
mesh_terms: D000818:Animals; D006063:Chorionic Gonadotropin / Q000494:pharmacology*; D005260:Female; D005640:Follicle Stimulating Hormone / Q000494:pharmacology*; D000882:Haplorhini; D008854:Microscopy, Electron; D010063:Ovum / Q000166:cytology* / Q000187:drug effects
chemical_list: D006063:Chorionic Gonadotropin; D005640:Follicle Stimulating Hormone