Noun
chordae tendineae pl (plural only)
(anatomy) The heartstrings.
Valves main render Frontal section showing papillary muscles attached to the tricuspid valve on the right and to the mitral valve on the left via chordae tendineae. Source: Internet
This creates tension on the chordae tendineae, helping to hold the cusps of the atrioventricular valves in place and preventing them from being blown back into the atria. Source: Internet