TERMIUM Plus®

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CHORDAE TENDINEAE CORDIS [1 record]

Record 1 2011-10-31

English

Subject field(s)
  • The Heart
DEF

A tendinous strand running from the papillary muscles to the leaflets of the atrioventricular valves (mitral and tricuspid).

OBS

Based on their shape, position, or specific area of attachment to the leaflets, several varieties have been described: fan-shaped chordae, rough zone chordae, free-edge chordae, deep chordae, and basal chordae.

OBS

tendinous cord: term usually used in the plural.

Key term(s)
  • tendinous cords

French

Domaine(s)
  • Cœur
CONT

Des cordages tendineux (L. chordae tendinae) s'insèrent sur le bord libre et sur la face ventriculaire des cuspides antérieur, postérieure et septale (un peu comme les cordages d'un parachute). Étant donné que les cordages tendineux se fixent sur les parties adjacentes de deux cuspides, ils les empêchent de se séparer et aussi de s'inverser grâce à la tension qui leur est transmise pendant toute la durée de la contraction ventriculaire (systole); en d'autres termes, à mesure que la pression augmente dans le ventricule, la tension des cordages tendineux empêche le prolapsus des cuspides de la valve tricuspide (et donc les empêche de se rabattre dans l'oreillette droite).

OBS

cordon tendineux; cordage tendineux : termes habituellement utilisés au pluriel.

Key term(s)
  • cordons tendineux
  • cordages tendineux

Spanish

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