Medical term:

spermatogonia



spermatogonium

 [sper″mah-to-go´ne-um] (Gr.)
an undifferentiated male germ cell, originating in a seminal tubule and dividing into two spermatocytes.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

sper·ma·to·go·ni·um

(sper'mă-tō-gō'nē-ŭm),
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.
See also: spermatid.
Synonym(s): spermatoblast, spermatogone
[spermato- + G. gonē, generation]
Farlex Partner Medical Dictionary © Farlex 2012

spermatogonium

(spər-măt′ə-gō′nē-əm, spûr′mə-tə-)
n. pl. spermatogo·nia (-nē-ə)
Any of the cells that give rise through mitosis to the spermatocytes and are found in the testes of vertebrates.
sper·mat′o·go′ni·al (-nē-əl) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

sper·ma·to·go·ni·um

, spermatogone (spĕr'mă-tō-gō'nē-ŭm, -mă-tō-gōn)
The undifferentiated male sex cell derived by mitotic division from a primordial germ cell; increasing several times in size, it becomes a primary spermatocyte.
See also: spermatid
Synonym(s): spermatoblast.
[spermato- + G. gonē, generation]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

spermatogonium

an early diploid stage of male GAMETO GENESIS.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

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