单词 | kinetonucleus |
释义 | > as lemmaskiˌnetoˈnucleus kiˌnetoˈnucleus n. Brit. /kᵻˌniːtə(ʊ)ˈnjuːklɪəs/ , /kʌɪˌniːtə(ʊ)ˈnjuːklɪəs/ , /kᵻˌnɛtə(ʊ)ˈnjuːklɪəs/ , /kʌɪˌnɛtə(ʊ)ˈnjuːklɪəs/ , U.S. /kəˌnɛdoʊˈn(j)ukliəs/ Biology = kinetoplast n. a.ΘΚΠ the world > animals > invertebrates > protozoa > [noun] > member of > parts of > kinetoplast kinetonucleus1906 parabasal1915 kinetoplast1925 1906 H. M. Woodcock in Q. Jrnl. Microsc. Sci. 50 182 The resulting body, which may be termed the kinetonucleus, passes into the now rounded trophonucleus. 1906 M. Hartog in Cambr. Nat. Hist. I. 120 First division of nucleus into larger (trophic) and smaller (kineto-)nucleus. 1920 W. E. Agar Cytol. vi. 193 This view was founded partly on analogy with certain Protista; for example Trypanosomes, where a darkly staining body (‘kinetonucleus’) which is in close anatomical relation to the flagellum and therefore apparently concerned with the function of locomotion, is supposed by many to have been derived from the nucleus. 1938 Trans. Royal Soc. Trop. Med. & Hygiene 32 333 In referring to the prominent dark-staining structure at the base of the flagellum in trypanosomes I have at one time used the term parabasal, later changing to kinetonucleus, while the name kinetoplast has been employed to denote the complex kinetonucleus (or parabasal) + blepharoplast (or basal granule)... While the conception of the nuclear nature of this element (hence ‘kinetonucleus’) has been discarded long ago, considerable doubt has also been thrown on its interpretation as a parabasal body... In the present paper the term kinetoplast has accordingly been employed in its original sense, to denote the kinetonucleus alone (without the blepharoplast). 1960 L. Picken Organization of Cells vi. 240 The kinetonucleus of trypanosomes and of the bodonids normally multiplies by division. < as lemmas |
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