spermatogonium
Americannoun
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spermatogonia
plural
noun
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spermatogonia
plural
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Any of the cells of the gonads in male organisms that undergo mitosis to form spermatocytes as well as new spermatogonia.
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See more at spermatogenesis
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of spermatogonium
From New Latin, dating back to 1860–65; see origin at spermato-, -gonium
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
One of these cells remains a spermatogonium, and the other becomes a primary spermatocyte, the next stage in the process of spermatogenesis.
From Textbooks ● Jun. 19, 2013
For example, one sentence on cell division begins, "Meiosis is somewhat more complicated because its purpose is to result in a spermatogonium or oogonium with half the original chromosome number..."
From Time Magazine Archive
Figure 239 is the equatorial plate of a secondary spermatogonium.
From Studies in Spermatogenesis Part II by Nettie Maria Stevens
Equatorial plate from egg follicle, 20 chromosomes, x1 and x2 the pair corresponding to x in the spermatogonium.
From Studies in Spermatogenesis Part II by Nettie Maria Stevens
Each ultimate spermatogonium typically gives rise to four spermatozoa.
From Explanation of Terms Used in Entomology by John. B. Smith
The experiment did not work in males, likely because spermatogonia go through normal mitotic cell division before meiosis, stymying HDR.
From Science Magazine ● Jul. 10, 2018
Unlike spermatogonia, however, oogonia form primary oocytes in the fetal ovary prior to birth.
From Textbooks ● Jun. 19, 2013
As part of this SRY-prompted cascade, germ cells in the bipotential gonads differentiate into spermatogonia.
From Textbooks ● Jun. 19, 2013
At the University of Pennsylvania School of Veterinary Medicine, biologist Ralph Brinster has been working for several years with sperm stem cells, or spermatogonia, the cells deep within the testes that produce sperm.
From Time Magazine Archive
The testes were rather too far advanced when this material was collected and no dividing spermatogonia were present.
From Studies in Spermatogenesis Part II by Nettie Maria Stevens
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
