Spermatids
Spermatids
Spermatids (/spɜːrˈmætɪdz/) are the haploid male gametids that result from division of secondary spermatocytes. As part of the spermatogenesis process, spermatids are transformed into spermatozoa.
Etymology
The term "spermatid" is derived from the Greek word "sperma" meaning "seed" and the suffix "-id" which is used in biology to denote a derivative or offspring.
Description
Spermatids are produced by the process of meiosis in the male testes. In humans, they are roughly spherical in shape and are approximately 7 micrometers in diameter. The process by which spermatids develop into mature spermatozoa is called spermiogenesis.
Related Terms
- Spermatogonia: The diploid cells from which spermatids are derived.
- Spermatocytes: The cells that undergo meiosis to produce spermatids.
- Spermatozoa: The mature male gametes that are capable of fertilizing an egg to produce a zygote.
- Spermatogenesis: The process of sperm cell development.
- Spermiogenesis: The process by which spermatids mature into spermatozoa.
External links
- Medical encyclopedia article on Spermatids
- Wikipedia's article - Spermatids
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