单词 | macrochaeta |
释义 | > as lemmasmacrochaeta macrochaeta n. Brit. /ˌmakrə(ʊ)ˈkiːtə/ , U.S. /ˌmækroʊˈkidə/ , /ˌmækrəˈkidə/ (also macrochaete; plural macrochaetae, macrochaetes) Entomology a large or differentiated bristle as found on the bodies of certain insects, esp. dipteran flies.ΘΚΠ the world > life > biology > physical aspects or shapes > villosity or ciliation > [noun] > hairiness > bristle bristlea1300 jag1519 hispidity1660 macrochaeta1881 1881 C. R. Osten-Sacken in Mittheilungen des Münchener Entomol. Vereins 5 121 The characters derived from the number and position of bristles (macrochaetae), have been gradually gaining ground in dipterology. 1925 A. D. Imms Gen. Textbk. Entomol. 600 The study of the arrangement of the macrochætæ or differentiated bristles of flies is termed by Osten-Sacken chætotaxy. His important paper (1884) emphasised the value of these structures for classificatory purposes. 1996 Jrnl. Cell Biol. 135 1291 The actin bundles in Drosophila bristles run the length of the bristle cell and are accordingly 65 μm (microchaetes) or 400 μm (macrochaetes) in length, depending on the bristle type. < as lemmas |
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