papillary muscle

nounAnatomy.

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

Origin of papillary muscle

1
First recorded in 1885–90

Words Nearby papillary muscle

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

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