Trochlea (sing., pl. trochleae) is a general term that refers to an anatomic structure that resembles the grooved part of a pulley system:
Trochlea have been described in:
- humeral trochlea
- femoral trochlea
- trochlea of the superior talar articular surface
History and etymology
"Trochlea" ultimately derives from the Greek τροχιλεα ("pulley").