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Articulation of head of rib

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Articulation of head of rib
The articulation of head of rib seen from the front
Human thoracic vertebra. Notice the articulations for the ribs
Details
Identifiers
Latinarticulatio capitis costae
TA98A03.3.04.002
TA21721
FMA7951
Anatomical terminology

The articulations of the heads of the ribs (or costocentral articulations) constitute a series of gliding or arthrodial joints, and are formed by the articulation of the heads of the typical ribs with the costal facets on the contiguous margins of the bodies of the thoracic vertebrae and with the intervertebral discs between them; the first, eleventh and twelfth ribs each articulate with a single vertebra.

Two convex facets from the head attach to two adjacent vertebrae, at the inferior costal facet of the superior vertebra, and the superior costal facet of the inferior vertebra respectively. This forms the synovial planar (gliding) joint.

The ligaments of the joints are:

Additional images

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References

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Public domain This article incorporates text in the public domain from page 299 of the 20th edition of Gray's Anatomy (1918)