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Journal of Experimental Biology 40,1-5 (1963)
Published by Company of Biologists 1963

Chemotaxis of Rabbit Spermatozoa

Z. DICKMANN 1

1 A.R.C. Unit of Reproductive Physiology and Biochemistry, University of Cambridge; Department of Obstetrics and Gynecology, Vanderbilt University, Nashville, Tennessee, U.S.A.

The aim of the study was to determine whether rabbit eggs ‘attract’ homologous spermatozoa in vivo

.

Preliminary experiments showed that, in vitro, rabbit spermatozoa readily and irreversibly attach to the zonae of rat eggs.

When rat and rabbit eggs were transferred into oviducts of previously mated rabbits, a significantly larger number of spermatozoa collected within the rabbit than on the zonae of the rat eggs. Since the experiments were designed so that rat and rabbit eggs had equal chances of sustaining collisions with rabbit spermatozoa, great preponderance of spermatozoa in the rabbit eggs suggests that the latter exert a chemotactic influence on rabbit spermatozoa.

Submitted on August 15, 1962






© The Company of Biologists Ltd 1963