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Biology of Reproduction, Vol 25, 785-791, Copyright © 1981 by Society for the Study of Reproduction

Movement Characteristics of Hamster and Guinea Pig Spermatozoa upon Attachment to the Zona Pellucida

D. F. KATZ 1, and R. YANAGIMACHI 2

1 Department of Obstetrics and Gynecology, School of Medicine, University of California, Davis, California 95616
2 Department of Anatomy and Reproductive Biology, John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii 96822


Movement characteristics of hamster and guinea pig spermatozoa were studied by high-speed cinemicrography before and after initial binding to the zona pellucida. Hamster spermatozoa that had previously undergone motility activation in vivo or in vitro maintained vigorous behavior upon zona attachment. They continued to propagate flagellar waves of large amplitude and curvature, although these waves were much more symmetrical than when prior to zona attachment. The hamster sperm activated in vitro appeared slightly stimulated upon zona attachment. Such spermatozoa also bound to the zonae pellucidae of mouse eggs, and they exhibited similar movements. Preactivated hamster spermatozoa, fresh from the epididymis, did attach to the hamster zona, but exhibited relatively weak flagellar beats of low amplitude and frequency. Guinea pig spermatozoa, activated in vitro, also continued such movement and appeared somewhat stimulated upon attachment to the zona pellucida of their species.

Submitted on April 14, 1981
Accepted on July 8, 1981




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T. L. Tollner, A. I. Yudin, G. N. Cherr, and J. W. Overstreet
Real-Time Observations of Individual Macaque Sperm Undergoing Tight Binding and the Acrosome Reaction on the Zona Pellucida
Biol Reprod, February 1, 2003; 68(2): 664 - 672.
[Abstract] [Full Text] [PDF]


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Copyright © 1981 by the Society for the Study of Reproduction.