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clavicle
Medical expert of the article
Last reviewed: 04.07.2025
The clavicle (clavicula) is a long, S-shaped tubular bone located between the clavicular notch of the sternum medially and the acromial process of the scapula laterally. The clavicle has a body (corpus claviculae) and two ends: the sternal end (extremitas sternalis) and the acromial end (extremitas acromiahs). The medial sternal end of the clavicle is curved and significantly thickened. At this end there is a saddle-shaped sternal articular surface (facies articularis sternalis) for articulation with the sternum. The acromial end of the clavicle is wider and thinner than the medial one, curved posteriorly. The acromial end of the clavicle has an articular surface for articulation with the corresponding articular surface of the acromion of the scapula. On the lower surface of the clavicle there are two elevations: the conical tubercle (tuberculum conoideum) and the trapezoid line (linea trapezoidea). Ligaments are attached to these tubercles.
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