Definition of mitosis in English:

mitosis

Line breaks: mi|tosis
Pronunciation: /mʌɪˈtəʊsɪs
 
/

noun (plural mitoses)

[mass noun] Biology
  • A type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth: the single large egg cell subdivides by repeated mitosis [count noun]: each mitosis seems to be associated with an increase in calcium Compare with meiosis.
    More example sentences
    • It is generally assumed that DNA chains are randomly segregated to daughter cells during mitosis.
    • Centromeres are essential for the proper segregation of chromosomes at mitosis and meiosis.
    • Counting cells at mitosis or interphase is universally applicable.

Derivatives

mitotic

Pronunciation: /-ˈtɒtɪk/
adjective
More example sentences
  • This is most likely to be a problem for mutants with a mitotic phenotype.
  • Spermatogonia are the mitotic germ cells of the testis from which sperm arise by spermatogenesis.
  • Only mononuclear protoplasts were capable of complete cell wall regeneration and mitotic division.

Origin

late 19th century: modern Latin, from Greek mitos 'thread'.

More definitions of mitosis

Definition of mitosis in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
noun
(in science fiction) navigation in outer space