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spermatogenesis
[ spur-mat-uh-jen-uh-sis, spur-muh-tuh- ]
/ spɜrˌmæt əˈdʒɛn ə sɪs, ˌspɜr mə tə- /
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noun Biology.
the origin and development of spermatozoa.
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OTHER WORDS FROM spermatogenesis
sper·ma·to·ge·net·ic [spur-muh-toh-juh-net-ik, sper-mat-oh-], /ˌspɜr mə toʊ dʒəˈnɛt ɪk, spərˌmæt oʊ-/, adjectiveWords nearby spermatogenesis
spermato-, spermatoblast, spermatocele, spermatocide, spermatocyte, spermatogenesis, spermatogenous, spermatogonium, spermatoid, spermatolysis, spermatophore
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use spermatogenesis in a sentence
Spermatogenesis of Caloptenus femur-rubrum and Cicada tibicen.
Studies in Spermatogenesis (Part 1 of 2)|Nettie Maria Stevens
British Dictionary definitions for spermatogenesis
spermatogenesis
/ (ˌspɜːmətəʊˈdʒɛnɪsɪs) /
noun
the formation and maturation of spermatozoa in the testisSee also spermatocyte (def. 1)
Derived forms of spermatogenesis
spermatogenetic (ˌspɜːmətəʊdʒəˈnɛtɪk), adjectiveCollins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for spermatogenesis
spermatogenesis
[ spər-măt′ə-jĕn′ĭ-sĭs, spûr′mə-tə- ]
n.
Formation and development of spermatozoa by meiosis and spermiogenesis.spermatocytogenesis
Other words from spermatogenesis
sper•mat′o•ge•net′ic (-jə-nĕt′ĭk) null adj.The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for spermatogenesis
spermatogenesis
[ spər-măt′ə-jĕn′ĭ-sĭs, spûr′mə-tə- ]
The formation and development of spermatozoa. Spermatogenesis in humans begins with the spermatogonium, the diploid cell that undergoes mitosis to form new spermatogonia as well as cells called primary spermatocytes. Each primary spermatocyte then undergoes the first meiotic division to produce two secondary spermatocytes. Each secondary spermatocyte undergoes the second meiotic division to produce two nonmotile cells called spermatids. The four spermatids then develop flagella and become sperm. Since some of the original spermatogonia replace themselves, the males are able to produce large numbers of sperm continuously after sexual maturity.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.