单词 | pleurobranchia |
释义 | pleurobranchian. Zoology. = pleurobranch n. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > member of > parts of > gill pleurobranchia1878 phyllobranchia1880 1878 T. H. Huxley in Proc. Zool. Soc. 762 The gill which it bears is attached to the epimeron, or side-wall, of the last thoracic somite; and it may be termed a pleurobranchia. The similarly attached filaments..represent reduced or rudimentary pleurobranchiæ. 1930 H. G. Newth Marshall & Hurst's Junior Course Pract. Zool. (ed. 11) ix. 155 The crayfish has only one well-developed pleurobranchia on each side, on the thirteenth segment, but abortive ones are found on the next two or three segments in front. 1988 Jrnl. Crustacean Biol. 8 355 A reduction in gill number in Parastacoides results from the absence of pleurobranchiae on the fifth, sixth, and seventh thoracic segments. Derivatives pleuroˈbranchial adj. ΚΠ 1881 C. Spence Bate in Ann. & Mag. Nat. Hist. 8 194 This species has two pleurobranchial plumes attached to the penultimate somite of the pereion. 1893 T. R. R. Stebbing Hist. Crustacea xvi. 218 Sicyonia... In defining the genus Spence Bate says that the second maxillipeds carry a ‘mastigobranchial plate without a podobranchia,’ ‘one arthrobranchial and one pleurobranchial plume.’ This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.1878 |
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。