MICROANATOMY

Detailed explanation-1: -The chordae tendineae (tendinous cords), colloquially known as the heart strings, are inelastic cords of fibrous connective tissue that connect the papillary muscles to the tricuspid valve and the mitral valve in the heart.

Detailed explanation-2: -The chordae tendineae (singular: chorda tendinea, is rarely used) are thin strong inelastic fibrous cords that extend from the free edge of the cusps of the atrioventricular valves (the tricuspid and mitral valves) to the apices of the papillary muscles within the right and left ventricles respectively.