Meaning & use
trochlea
Last updated
A pulley-shaped anatomical structure, such as the grooved part of a bone that a tendon or another bone glides over.
See it in a sentence
The trochlea at the end of the humerus allows the elbow to hinge smoothly.
An MRI revealed damage to the trochlea in her knee joint.
A note on using this word
Trochlea comes from the Latin word for "pulley," reflecting how these structures let tendons or bones glide over a grooved surface.
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