閉へい鎖さ血けっ管かん系けい

noun

closed vascular system; closed blood-vascular system

Biological term referring to a circulatory system where blood is confined to vessels, as in vertebrates and some invertebrates.

• 脊せき椎つい動どう物ぶつは閉へい鎖さ血けっ管かん系けいを持もつ。

  Vertebrates have a closed vascular system.

• 閉へい鎖さ血けっ管かん系けいでは血けつ液えきが血けっ管かん内ないを流ながれる。

  In a closed vascular system, blood flows inside blood vessels.