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THE MOVEMENT OF GOLDEN HAMSTER SPERMATOZOA BEFORE AND AFTER CAPACITATION

in Reproduction
Author:
R. YANAGIMACHI
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DOI:
https://doi.org/10.1530/jrf.0.0230193
Volume/Issue:
Volume 23: Issue 1
Page Range:
193–196
Article Type:
Research Article
Online Publication Date:
Oct 1970
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Epididymal spermatozoa of the golden hamster can be capacitated in vitro in the presence of oviduct fluid from the oestrous female hamster (Yanagimachi & Chang, 1964; Yanagimachi, 1966; Barros & Austin, 1967), follicular fluid from mature ovarian follicles of the hamster (Barros & Austin, 1967; Yanagimachi, 1969a), detoxified bovine follicular fluid (Gwatkin & Andersen, 1969; Yanagimachi, 1969b), and detoxified blood sera of the hamster and some other species (Yanagimachi, 1970). When incubated in media containing these biological fluids, the spermatozoa agglutinate head to head within ½ hr. About 2½ to 3 hr later, agglutinated spermatozoa disperse spontaneously and free spermatozoa show an extraordinarily active movement. In the majority (sometimes, 100%) of these spermatozoa, the acrosomal reaction is in progress or has been completed and the spermatozoa are ready to penetrate the

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Sept 2018 onwards Past Year Past 30 Days
Full Text Views 1798 1368 82
PDF Downloads 541 187 31

 

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1470-1626
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