bundle of His
Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Wikipedia.
Related to bundle of His: SA node, Purkinje fibers, Purkinje fibres, AV node
bundle of His[′bənd·əl əv ‚āch‚ī′es]
A small region of heart muscle located in the right auricle and specialized to relay contraction impulses from the right auricle to the ventricles. Also known as atrioventricular bundle.