Skip to Content


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

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.