单词 | pseudohaemal |
释义 | > as lemmaspseudohaemal pseudohaemal adj. Brit. /ˌs(j)uːdə(ʊ)ˈhiːml/ , U.S. /ˌsudoʊˈhim(ə)l/ (also †pseud-haemal, U.S. pseudohemal) Zoology (now rare) designating or relating to the circulating fluid of some invertebrates, analogous to the blood of vertebrates but usually consisting of plasma without blood cells.ΚΠ 1858 J. Hogg Microscope (ed. 3) ii. iii. 439 In the Hirudinidae..a system of vessels homologous with the pseud-haemal system exists. 1877 T. H. Huxley Man. Anat. Invertebrated Animals i. 57 In the Arthropoda no segmental organs or pseud-haemal vessels are known. 1929 Science 15 Nov. 479/2 The pseudohemal system has a green fluid. 1930 Jrnl. Paleontol. 4 10 The oral surface also bears a notch or groove which contained the radial nerve trunk and the pseudohaemal canal. < as lemmas |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。