单词 | antepectoral |
释义 | > as lemmasantepectoral antepectoral adj. Brit. /ˌantᵻˈpɛkt(ə)rəl/ , /ˌantᵻˈpɛkt(ə)rl̩/ , U.S. /ˌæn(t)əˈpɛkt(ə)rəl/ [in sense (a) after scientific Latin antepectoralis (1826 in quot. 1826); with sense (b) compare Spanish antepectoral (1838 or earlier)] (a) Entomology located on or attached to the underside of the prothorax (now rare); (b) located in front of or in the anterior part of the thorax, spec. in front of the pectoral fin of a fish.ΚΠ 1826 W. Kirby & W. Spence Introd. Entomol. III. 368 Spiracula antepectoralia (the Antepectoral Spiracles), a pair of breathing-pores fixed in the membrane that connects the Antepectus with the Medipectus. 1849 A. Smith Illustr. Zool. S. Afr. IV. at Eremias knoxii Antepectoral fold formed of seven scales. 1863 T. Gill in Proc. Acad. Nat. Sci. Philadelphia 1862 235 Pectoral fins oblong... Antepectoral region longitudinally oblong. 1909 Ann. Rep. Board of Regents Smithsonian Inst. 1908 585 The antepectoral region or ‘head’ is remarkably large. 2011 Russ. Jrnl. Marine Biol. 37 33 The dimensional indexes of antedorsal and ante-pectoral distances..are of the greatest diagnostic value for sex differentiation. < as lemmas |
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