Skeletal System
Articular Facet of Head of First Rib
Facies articularis capitis costae primae
Read moreDescription
The articular facet is the round, smooth area located on the medial aspect of the head of the first rib. It articulates with the superior costal facet of the first thoracic vertebra, forming the joint of the head of the first rib.
Overall, the first, tenth, eleventh, and twelfth ribs have a single articular facet on their heads, while the remaining ribs have two articular facets, known as the superior and inferior articular facets on heads of ribs.
Related parts of the anatomy
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Rib Cage
The rib cage forms the bony margins of the chest wall and is composed of the ribs, costal cartilages, sternum and thoracic vertebrae.
