14.0 MB (237.7 KB compressed)
1351 x 3630 pixels
11.4 x 30.7 cm ⏐ 4.5 x 12.1 in (300dpi)
KERMOAL / BSIP / SCIENCE PHOTO LIBRARY KERMOAL / BSIP / SCIENCE PHOTO LIBRARY
Humerus. Artwork of a frontal view of the humerus, the long bone of the upper arm, with cartilage (blue) showing where the ends of this bone form part of the shoulder (top) and elbow (bottom) joints. The head of the humerus fits into the socket of the scapula, forming the shoulder joint. The protrusions near the head are the greater tubercle and lesser tubercle. The groove running between them down the shaft is the intertubercular sulcus. The processes (protrusions) on the lower end of the humerus are the capitulum (left) and the trochlea (right), which each articulate with the radius and ulna (lower arm) respectively to form the elbow joint.
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