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。