polymitosisn.

Brit.

/ˌpɒlɪmʌɪˈtəʊsɪs/, U.S.

/ˈˌpɑliˌmaɪˈtoʊsəs/

Inflections: Plural polymitoses.

Origin: Formed within English, by compounding. Etymons: poly- comb. form, mitosis n.

Etymology: < poly- comb. form + mitosis n., after polymitotic adj. Compare earlier amitosis n. at amitotic adj. Derivatives.

Biology.

The occurrence of multiple mitotic cell divisions, esp. following meiosis in microsporogenesis; any of these divisions.

ΘΚΠ

the world > life > biology > biological processes > genetic activity > [noun] > cell-division or arrangement of chromosomes

karyokinesis1882

karyomitosis1885

mitosis1887

kinesis1904

polymitosis1932

1932 C. D. Darlington Rec. Adv. in Cytol. xiii. 367 This property of having ‘polymitosis’ is inherited as a mendelian recessive character.

1948 Nature 5 June 874/1 Plants heterozygous for this gene must produce two genetically different kinds of pollen, one of which will be like the lethal polymitotic pollen borne on the homozygous plant. But none of this pollen shows polymitotic behaviour. Thus polymitosis is like incompatibility in heterostyled plants.

1973 Cytologia 38 518 Postmeiotic polymitoses were observed in reciprocal interspecific hybrids between two diploid Clarkia species.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	polymitosis
释义	polymitosisn. Brit. /ˌpɒlɪmʌɪˈtəʊsɪs/, U.S. /ˈˌpɑliˌmaɪˈtoʊsəs/ Inflections: Plural polymitoses. Origin: Formed within English, by compounding. Etymons: poly- comb. form, mitosis n. Etymology: < poly- comb. form + mitosis n., after polymitotic adj. Compare earlier amitosis n. at amitotic adj. Derivatives. Biology. The occurrence of multiple mitotic cell divisions, esp. following meiosis in microsporogenesis; any of these divisions. ΘΚΠ the world > life > biology > biological processes > genetic activity > [noun] > cell-division or arrangement of chromosomes karyokinesis1882 karyomitosis1885 mitosis1887 kinesis1904 polymitosis1932 1932 C. D. Darlington Rec. Adv. in Cytol. xiii. 367 This property of having ‘polymitosis’ is inherited as a mendelian recessive character. 1948 Nature 5 June 874/1 Plants heterozygous for this gene must produce two genetically different kinds of pollen, one of which will be like the lethal polymitotic pollen borne on the homozygous plant. But none of this pollen shows polymitotic behaviour. Thus polymitosis is like incompatibility in heterostyled plants. 1973 Cytologia 38 518 Postmeiotic polymitoses were observed in reciprocal interspecific hybrids between two diploid Clarkia species. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.1932
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