Anat. a pulley-shaped part or structure, as the lower part of the humerus which articulates with a corresponding part of the ulna
Origin of trochleaModern Latin ; from L, pulley block ; from Classical Greek trochilia ; from trochos, a wheel: see troche
An anatomical structure that resembles a pulley, especially the part of the distal end of the humerus that articulates with the ulna.
Origin of trochleaLatin, system of pulleys, from Greek trokhileia; akin to trekhein, to run.
- (anatomy) Structure resembling a pulley, typically in reference to the area connecting the upper and lower arm.
From Greek trokhileia.