subendocardial branches of atrioventricular bundles

(redirected from rami subendocardiales fasciculi atrioventricularis)

subendocardial branches of atrioventricular bundles

[TA]
interlacing fibers formed of modified cardiac muscle cells with central granulated protoplasm containing one or two nuclei and a transversely striated peripheral portion; they are the terminal ramifications of the conducting system of the heart found beneath the endocardium of the ventricles.
See also: conducting system of heart.

sub·en·do·car·di·al branch·es of a·tri·o·ven·tric·u·lar bun·dles

(sŭb'en-dō-kahr'dē-ăl branch'ĕz ā'trē-ō-ven-trik'yŭ-lăr bŭn'dĕlz) [TA]
Interlacing fibers formed of modified cardiac muscle cells with central granulated protoplasm containing one or two nuclei and a transversely striated peripheral portion; they are the terminal ramifications of the conducting system of the heart found beneath the endocardium of the ventricles.
See also: conducting system of heart
Synonym(s): Purkinje fibers.
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