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CYTOCHEMICAL DEMONSTRATION OF PROTEOLYTIC ACTIVITY OF HUMAN AND RAT SPERMATOZOA

Summary.: Proteolytic activity was demonstrated around the acrosomes of intact sperm cells with a simple cytochemical method using a gelatin substrate. The proteolytic activity was localized to the acrosomal region of both rat and human spermatozoa. Not all sperm cells showed the same digestive capacity in each sample studied.