Share this entry

Share this page

spermatozoon

Line breaks: sperm¦ato|zoon
Pronunciation: /ˌspəːmətə(ʊ)ˈzəʊɒn
 
, spəˌmat-/

Definition of spermatozoon in English:

noun (plural spermatozoa /-ˈzəʊə/)

Biology
The mature motile male sex cell of an animal, by which the ovum is fertilized, typically having a compact head and one or more long flagella for swimming.
Example sentences
  • Mutated DNA can only be passed to the next generation if it is present in a germ cell such as spermatozoa and ova, each of which contribute half of the DNA of the new organism.
  • The testes in your body are continuously producing hundreds of millions of reproductive cells called spermatozoa.
  • We rather think of the latter as a new form of life to whose nature both the ovum and the spermatozoon have made significant contributions.

Origin

mid 19th century: from Greek sperma, spermat- 'seed' + zōion 'animal'.

Derivatives

spermatozoal

1
adjective
Example sentences
  • In this open study we investigated the correlation between seminal carnitine levels and spermatozoal function in infertile men.
  • Semen was collected by electro-ejaculation twice weekly and evaluated for spermatozoal motility, morphology, and concentration.
  • The samples ‘are representative of the spermatozoal fingerprint for the normal fertile man,’ the researchers conclude.

spermatozoan

2
adjective
Example sentences
  • The motility of the spermatozoan tail depends on the contractility of its protein fibrils, which resemble myosin threads.
  • In addition to this, all of the products were confirmed to enhance spermatozoan function, in vitro fertilization and early embryonic development.

Definition of spermatozoon in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day peart
Pronunciation: pərt
adjective
lively; cheerful