单词 | sensillum |
释义 | sensillumn.α. 1800s– sensillae (plural), 1900s– sensilla. β. 1900s– sensilla (plural), 1900s– sensillum. γ. 1900s– sensilium, 1900s– sensillium. Zoology. A sense organ of an invertebrate, spec. (in arthropods) a simple epithelial sense organ consisting of a recepter cell or cells in the form of a bristle, pit, plate, etc. ΘΚΠ the world > animals > invertebrates > bodies or parts > [noun] > sensory receptor sensillum1882 1882 tr. E. Haeckel in Rep. Sci. Results Voy. H.M.S. Challenger: Zool. IV. ii. p. xlvii Organs of sense (‘sensillæ’). All Medusæ possess organs of sense on the umbrella margin. 1897 Zool. Bull. 1 38 Each [nerve] ring receives fibers from the central system and from sensillae on the surface, and gives rise to fibers that go to the central system and to the muscles. 1925 A. D. Imms Gen. Textbk. Entomol. 65 The tactile sensillæ of insects are often distributed over the entire integument. 1963 R. P. Dales Annelids vii. 143 The sense cells on these tentacles or cirri are commonly fusiform in shape with a sensilla or sensillae projecting through the cuticle. 1971 Nature 24 Dec. 477/1 Each campaniform sensillum [on a cockroach leg] functions through a single primary sense cell. 2013 J. Lancaster & B. J. Downes Aquatic Entomol. vii. 114/1 Uniporous, flat-tipped or spatulate sensilla occur on the antennae of some mayfly larvae. This entry has been updated (OED Third Edition, December 2016; most recently modified version published online March 2022). < |
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