| 单词 | water-vascular system |
| 释义 | > as lemmaswater-vascular system water-vascular system n. [ < water n. + vascular adj. + system n., after German Wassergefäßsystem (1850 or earlier); compare water vessel n. (c)] Zoology (in various invertebrates) a system of water vessels; spec. that of echinoderms, which is involved mainly in moving the tube feet. ΚΠ 1851 Ann. & Mag. Nat. Hist. 8 3 The blood-vascular system is everywhere totally unconnected with the water-vascular system. 1877 T. H. Huxley Man. Anat. Invertebrated Animals i. 62 Uropoietic organs..are probably represented by the water-vascular system and segmental organs of the worms. 1960 D. C. Braungart & R. Buddeke Introd. Animal Biol. (ed. 5) viii. 103 Water enters a system of tubes or vessels forming the water-vascular system, a system of organs found only in animals belonging to the Echinodermata. 2000 C. Tudge Variety of Life ii. xii. 333 They clearly did have a water vascular system (which goes along with ambulacral grooves) probably with a madrepore that opened near the mouth. < as lemmas |
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