Scapula or shoulder blade. This image is 400 x 565 pixels; the original measures 1,925 x 2,720 pixels.
Illustration shows the dorsal view (looking from the back) of a right human scapula. The bulging projection at upper right is the acromion which joins with the clavicle (collar bone - not shown) to create the shoulder girdle. The humerus (bone of the upper arm) nestles in the glenoid cavity, part of which can be glimpsed below the acromion.
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