Medical Dictionary

trochlea

noun troch·lea \ˈträk-lē-ə\

Medical Definition of TROCHLEA

:  an anatomical structure resembling a pulley: as a :  the articular surface on the medial condyle of the humerus that articulates with the ulna b :  the fibrous ring in the inner upper part of the orbit through which the tendon of the superior oblique muscle of the eye passes

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