humerus hu·mer·us (hyōō'mər-əs)
n. pl. hu·mer·i (-mə-rī')
The long bone of the arm or forelimb, extending from the shoulder to the elbow.
long bone of the upper limb or forelimb of land vertebrates that forms the shoulder joint above, where it articulates with a lateral depression of the shoulder blade (glenoid cavity of scapula), and the elbow joint below, where it articulates with projections of the ulna and the radius
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