水すい管かん系けい

noun, noun which may take the genitive case particle 'no'

water-vascular system

A biological term referring to the hydraulic system found in echinoderms such as starfish and sea urchins, used for locomotion, feeding, and respiration.

• ヒトデの水すい管かん系けいは、管かん足そくを動うごかすのに使つかわれる。

  The water-vascular system of a starfish is used to move its tube feet.