Definition of "spermatogenesis" []

• Formation and development of spermatozoa by meiosis and spermiogenesis. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The male generative glands also contain Sertoli cells, which require testosterone for spermatogenesis, which is the synthesis of spermatozoa."
• "Testicular tissue showing spermatogenesis to the level of secondary spermatocytes."
• "Moreover, testicular histology of F1 and backcross males showed in some cases a breakdown in spermatogenesis."