Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
A costal facet is a smooth, flat surface on a vertebra that articulates (joins) with the head of a rib. These facets allow for the connection between the vertebral column and ribs, facilitating respiratory movements and structural support.
Related terms
Vertebra: A bone in the spine that provides structural support to the body and houses the spinal cord.
Rib: One of several long curved bones that form the chest wall, offering protection to thoracic organs and aiding in respiration.