Skeletal System
Articular Facet of Tubercle of Fourth Rib
Facies articularis tuberculi costae quartae
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The articular facet is the smooth, oval area found along the tubercle of the fourth rib. It articulates with the transverse costal facet of the fourth thoracic vertebra, forming the fourth costotransverse joint.
Overall, these articular facets on tubercles are only present on the first to tenth ribs, while the eleventh and twelfth ribs lack this bony feature.
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.
