Zona Pellucida of Rhesus Monkey Ovum after Gonadotropin Stimulation

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Science  15 Sep 1967:
Vol. 157, Issue 3794, pp. 1313-1314
DOI: 10.1126/science.157.3794.1313


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.