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spermatogonium

Pronunciation: sper'ma-to-go'ne-um

Definition: The primordial male cell derived by mitotic division from the yolk sac that migrates into the developing testes. Subsequent to puberty, it differentiates by increasing several times in size to become a primary spermatocyte.

Synonym(s): spermatoblast, spermatogone

[spermato- + G. gone, generation]

See Also: spermatid

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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