spermatogenesis

1 of 2

noun

sper·​mato·​gen·​e·​sis (ˌ)spər-ˌma-tə-ˈje-nə-səs 

: the process of male gamete formation including formation of a spermatocyte from a spermatogonium, meiotic division of the spermatocyte, and transformation of the four resulting spermatids into spermatozoa

spermatogenic

(ˌ)spər-ˌma-tə-ˈje-nik 

adjective

spermatogenetic

2 of 2

adjective

sper·​mato·​ge·​net·​ic

(ˌ)spər¦matəjə̇¦netik, 

¦spərmət-

variants or spermatogenic

¦spərmətə¦jenik 

(ˌ)spər¦mat-

: of, relating to, or constituting spermatogenesis

Examples of spermatogenesis in a Sentence

Recent Examples on the Web

Noun

This process, called spermatogenesis, begins at puberty and continues throughout a man’s life. — Daryl Austin, USA Today, 2 May 2026

Scientists have been attempting to produce sperm outside the body, known as in vitro spermatogenesis, for almost a century. — Emily Mullin, Wired News, 23 Apr. 2026

These contraceptive methods work by mimicking the body’s natural feedback loops to reduce spermatogenesis. — Kenneth H. Mayer, STAT, 27 Feb. 2026

Contraceptives acting on spermatogenesis take a few weeks to kick in, and fertility takes a few weeks to return when a man stops using them. — Ana Castelain, Bloomberg, 28 Jan. 2026

Word History

Etymology

Noun

New Latin

Adjective

spermat- + -genetic or -genic

First Known Use

Noun

1881, in the meaning defined above

Rhymes for spermatogenesis

• angiogenesis
• atherogenesis
• carcinogenesis
• embryogenesis
• gametogenesis
• organogenesis
• osteogenesis
• parthenogenesis
• steroidogenesis
• tumorigenesis
• agenesis
• dysgenesis

Kids Definition

spermatogenesis

noun

sper·​mato·​gen·​e·​sis (ˌ)spər-ˌmat-ə-ˈjen-ə-səs 

plural spermatogeneses

-ə-ˌsēz

: the process of male gamete formation including meiosis and formation of sperm cells

Medical Definition

spermatogenesis

noun

sper·​mato·​gen·​e·​sis (ˌ)spər-ˌmat-ə-ˈjen-ə-səs 

plural spermatogeneses -ˌsēz 

: the process of male gamete formation including formation of a primary spermatocyte from a spermatogonium, meiotic division of the spermatocyte, and transformation of the four resulting spermatids into spermatozoa