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Meaning of chorda tendinea

chor•da ten•din•e•a

Pronunciation: (kôr'du ten-din'ē-u), [key]
— pl. chor•dae ten•din•e•ae
  1. any of the tendons extending from the papillary muscles to the atrioventricular valves and preventing the valves from moving into the atria during ventricular contraction.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.