Foramen lacerum

Definition

The foramen lacerum is a triangular opening at the base of the skull, situated between the sphenoid, temporal, and occipital bones. It is largely filled with cartilage in a living person and serves as a conduit for small nerves and blood vessels.

Related terms

Sphenoid Bone:

A butterfly-shaped bone that forms part of the floor and sides of the skull, contributing to the formation of several cavities including the orbits.

Temporal Bone:

A pair of bones that form part of the side walls and base of the skull, housing structures vital to hearing and balance.

Occipital Bone:

The bone that forms the posterior base and lower sides of the skull, containing the large opening known as the foramen magnum through which the spinal cord passes