chorda tendinea
noun
chorda ten·din·ea
| \ -ˌten-ˈdin-ē-ə
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plural chordae tendineae\ -ē-ˌē
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Medical Definition of chorda tendinea
: any of the delicate tendinous cords that are attached to the edges of the atrioventricular valves of the heart and to the papillary muscles and serve to prevent the valves from being pushed into the atrium during the ventricular contraction