💀anatomy and physiology i review

Costal facet

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.