mitosisn.

Brit.

/mʌɪˈtəʊsɪs/, U.S.

/maɪˈtoʊsəs/

Inflections: Plural mitoses Brit.

/mʌɪˈtəʊsiːz/, U.S.

/maɪˈtoʊsiz/.

Origin: A borrowing from German. Etymon: German Mitosis.

Etymology: < German Mitosis (W. Flemming in Zellsubstanz, Kern u. Zelltheilung (1882) xxiv. 376) < Hellenistic Greek μιτο- (see mito- comb. form) + -osis -osis suffix.In a passage immediately preceding his coinage of Mitosis , Flemming also coins the term Mitosen (plural), presumably from ancient Greek μίτος thread (see mito- comb. form), to denote the nuclear figures observed during cell division. German Mitose later came to be used both for a mitotic figure and for the process of mitosis. N.E.D. (1907) gives the pronunciation as (mitō^u·sis) /mɪˈtəʊsɪs/.

Biology.

1. The process by which a cell nucleus divides to give two daughter nuclei each with the same chromosome complement as the parent nucleus; this process together with division of the cytoplasm (the mode of cell division typical of somatic, as opposed to germ, cells). Cf. amitosis n. at amitotic adj. Derivatives, meiosis n. 3.

ΘΚΠ

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

karyokinesis1882

karyomitosis1885

mitosis1887

kinesis1904

polymitosis1932

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

monaster1879

mitosis1887

1887 Jrnl. Royal Microsc. Soc. 7 163 (heading) Showing mitosis in brain of tadpole.

1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) p. xxii The nuclear membrane is dissolved in mitosis and reconstituted round the new nuclei.

1896 T. C. Allbutt et al. Syst. Med. I. 65 Many of the corneal corpuscles..can..be seen undergoing mitosis.

1937 C. D. Darlington Rec. Adv. in Cytol. (ed. 2) i. 22 Nuclei divide by the characteristic process of mitosis in the course of which the whole nucleus, apart from the nucleoli, resolves itself into longitudinally split threads, the chromosomes.

1960 K. Esau Anat. Seed Plants iv. 32 The cell wall arises during cell division at the stage in mitosis known as the telophase.

1989 Sci. Amer. Oct. 26/2 Mitosis is often described as having five consecutive stages, which collectively take about an hour.

2. A mitotic figure; a nucleus or cell observed in the process of mitosis.

ΚΠ

1891 Lancet 6 June 1269/1 The ‘mitoses’ are not of uniform size,..but present the greatest variety in this respect in one and the same tumour.

1918 Surg., Gynecol. & Obstetr. 18 205/2 These cells are large and mostly polyhedric... Mitoses are found, though rarely.

1962 D. G. Cogan in A. Pirie Lens Metabolism 292 Although showing few mitoses normally, the lens epithelium may be activated into lively mitotic activity when stimulated by heat.

1984 M. J. Taussig Processes in Pathol. & Microbiol. (ed. 2) 45 [In a healing wound] mitoses in connective tissue are found at the end of the first day.

This entry has been updated (OED Third Edition, June 2002; most recently modified version published online March 2022).

单词	mitosis
释义	mitosisn. Brit. /mʌɪˈtəʊsɪs/, U.S. /maɪˈtoʊsəs/ Inflections: Plural mitoses Brit. /mʌɪˈtəʊsiːz/, U.S. /maɪˈtoʊsiz/. Origin: A borrowing from German. Etymon: German Mitosis. Etymology: < German Mitosis (W. Flemming in Zellsubstanz, Kern u. Zelltheilung (1882) xxiv. 376) < Hellenistic Greek μιτο- (see mito- comb. form) + -osis -osis suffix.In a passage immediately preceding his coinage of Mitosis , Flemming also coins the term Mitosen (plural), presumably from ancient Greek μίτος thread (see mito- comb. form), to denote the nuclear figures observed during cell division. German Mitose later came to be used both for a mitotic figure and for the process of mitosis. N.E.D. (1907) gives the pronunciation as (mitō^u·sis) /mɪˈtəʊsɪs/. Biology. 1. The process by which a cell nucleus divides to give two daughter nuclei each with the same chromosome complement as the parent nucleus; this process together with division of the cytoplasm (the mode of cell division typical of somatic, as opposed to germ, cells). Cf. amitosis n. at amitotic adj. Derivatives, meiosis n. 3. ΘΚΠ the world > life > biology > biological processes > genetic activity > [noun] > cell-division or arrangement of chromosomes karyokinesis1882 karyomitosis1885 mitosis1887 kinesis1904 polymitosis1932 the world > life > biology > biological processes > genetic activity > [noun] > cell-division or arrangement of chromosomes > figure of nucleus during monaster1879 mitosis1887 1887 Jrnl. Royal Microsc. Soc. 7 163 (heading) Showing mitosis in brain of tadpole. 1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) p. xxii The nuclear membrane is dissolved in mitosis and reconstituted round the new nuclei. 1896 T. C. Allbutt et al. Syst. Med. I. 65 Many of the corneal corpuscles..can..be seen undergoing mitosis. 1937 C. D. Darlington Rec. Adv. in Cytol. (ed. 2) i. 22 Nuclei divide by the characteristic process of mitosis in the course of which the whole nucleus, apart from the nucleoli, resolves itself into longitudinally split threads, the chromosomes. 1960 K. Esau Anat. Seed Plants iv. 32 The cell wall arises during cell division at the stage in mitosis known as the telophase. 1989 Sci. Amer. Oct. 26/2 Mitosis is often described as having five consecutive stages, which collectively take about an hour. 2. A mitotic figure; a nucleus or cell observed in the process of mitosis. ΚΠ 1891 Lancet 6 June 1269/1 The ‘mitoses’ are not of uniform size,..but present the greatest variety in this respect in one and the same tumour. 1918 Surg., Gynecol. & Obstetr. 18 205/2 These cells are large and mostly polyhedric... Mitoses are found, though rarely. 1962 D. G. Cogan in A. Pirie Lens Metabolism 292 Although showing few mitoses normally, the lens epithelium may be activated into lively mitotic activity when stimulated by heat. 1984 M. J. Taussig Processes in Pathol. & Microbiol. (ed. 2) 45 [In a healing wound] mitoses in connective tissue are found at the end of the first day. This entry has been updated (OED Third Edition, June 2002; most recently modified version published online March 2022). < n.1887
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