ヒス束そくヒスそくMeanings1nounbundle of HisanatomyAnatomical term for the specialized cardiac muscle fibers that transmit electrical impulses from the atrioventricular node to the ventricles.ヒス束そくは心しん臓ぞうの刺し激げき伝でん導どう系けいの一いち部ぶです。The bundle of His is part of the heart's conduction system.