Tubercle of the rib

Definition

The tubercle of the rib is a small, raised eminence located on the posterior surface of a rib, near its angle. It articulates with the facet on the transverse process of a thoracic vertebra, playing a role in the rib's connection to the spine.

Related terms

Thoracic Vertebrae:

These are vertebrae that make up part of the middle segment of the vertebral column, each providing an articulation point for ribs.

Costal Facet: A smooth, flat surface found on thoracic vertebrae where ribs articulate or join with the spine.

Articulation:

The connection between bones, allowing for varying degrees of movement; in this context, it refers to how ribs connect to both vertebrae and sternum