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noun, Anatomy.
one of the small bundles of muscles attached to the ventricle walls and to the chordae tendineae that tighten these tendons during ventricular contraction.

papillary muscle n.
Any of the group of myocardial bundles that terminate in the tendinous cords that attach to the cusps of the atrioventricular valves.


Read Also:

  • Papillary stasis

    papillary stasis n. See papilledema.

  • Papillary tumor

    papillary tumor n. See papilloma.

  • Papillectomy

    papillectomy pap·il·lec·to·my (pāp’ə-lěk’tə-mē) n. Surgical removal of any papilla.

  • Papilledema

    n. also papilloedema, 1908, from papilla + edema. papilledema pap·il·le·de·ma (pāp’ə-lĭ-dē’mə, pə-pĭl’ĭ-) n. Edema of the optic disk. Also called choked disk, papillary stasis.

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