trochlea

(noun)

At the distal head of the humerus, it articulates with the ulna of the forearm.

Related Terms

  • anatomical neck
  • capitulum
  • humerus
  • surgical neck

Examples of trochlea in the following topics:

  • Humerus (The Upper Arm)

    • The medially located trochlea articulates with the ulna.
    • Several muscles of the forearm responsible for extension at the wrist attach to the humerus immediately above the capitulum and trochlea.
    • The humerus attaches proximally to the scapula (shoulderblade) at the humeral head and distally with the radius and ulna (lower-arm bones) at the trochlea and capitulum, respectively.
  • Ulna and Radius (The Forearm)

    • The cornoid process, together with the olecranon, forms the trochlear notch where it articulates with the trochlea of the humerus.
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