papillary muscle

One of the group of myocardial bundles which attach to the cusps of the AV valves & terminate in the chordae tendinae. Each valve has an anterior & posterior papillary muscle. The right ventricle sometimes has a septal papillary muscle

Related

chorda tendineae papillary muscle rupture

Specific

anterior papillary muscle posterior papillary muscle septal papillary muscle

References

Stedman's Medical Dictionary 26th ed, Williams & Wilkins, Baltimore, 1995