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English definition of “trochlea”

trochlea

noun [C]     /ˈtrɒk.li.ə/ US  /ˈtrɑk.li.ə/ (plural trochleae) specialized
a long , narrow , hollow space in a surface in the body that a bone or tendon can move against, especially the lower end of the humerus (= the long bone of the upper arm ): the trochlea of the humerus Substances and structures in the body
(Definition of trochlea noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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