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II. Osteology. 6a. The Bones of the Upper Extremity. 1. The Clavicle. Gray, Henry. 1918. Anatomy of the Human Body. (Site not responding. Last check: 2007-10-22) |
 | | The sternal extremity of the clavicle is triangular in form, directed medialward, and a little downward and forward; it presents an articular facet, concave from before backward, convex from above downward, which articulates with the manubrium sterni through the intervention of an articular disk. |
 | | The lower part of the facet is continued on to the inferior surface of the bone as a small semi-oval area for articulation with the cartilage of the first rib. |
 | | In the female, the clavicle is generally shorter, thinner, less curved, and smoother than in the male. |
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