also: みゃくかん
noun
blood vessel; vascular vessel
Anatomical term for any tubular structure carrying blood or lymph; used in medical contexts.
脈管系は血液とリンパ液を運ぶ。
The vascular system transports blood and lymph.
この薬は末梢脈管を拡張する。
This drug dilates peripheral blood vessels.
血管 is the common word for blood vessel; 脈管 is a broader anatomical term that also includes lymphatic vessels.
Compound of 脈 (myaku, 'pulse') and 管 (kan, 'tube'). The reading みゃっかん results from a common contraction of みゃくかん.