单词 | trichome |
释义 | trichomen. 1. Botany. The general name for any outgrowth of the epidermis or superficial tissue of a plant, as hairs, scales, prickles, etc. ΘΚΠ the world > plants > part of plant > cell or aggregate tissue > [noun] > tissue > epidermis or cuticle > outgrowth of trichome1875 1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. 129 We may term all appendages of other parts which originate as outgrowths of epidermis-cells, whatever their form and function, Hairs (Trichomes). Thus the so-called paleæ and sporangia of Ferns are trichomes. 1876 Encycl. Brit. IV. 90/1 Hairs, scales, prickles, &c.,..all have been embraced under the general name trichome. 2. Entomology. In myrmecophilous insects, a tuft of hairs near a gland producing a secretion attractive to ants. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > hair > hair producing secretion trichome1911 1911 E. Jacobson in Tijdschr. Ent. LIV. 177 The bug possesses a very curious tuft of yellow hair (a trichome) which apparently secretes some substance with a flavour agreeable to the ants. 1923 W. M. Wheeler in Sci. Monthly Jan. 29 The trichomes surround the openings of singular glands, the aromatic, volatile secretions of which..are licked off by the ants. 1971 E. O. Wilson Insect Societies (1972) xx. 390/2 The Cremastocheilus adults are furnished with tufts of golden hairs (‘trichomes’) at the anterior and posterior corners of the thorax. This entry has not yet been fully updated (first published 1914; most recently modified version published online March 2022). < |
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