Lacerum

Lacerum is a term used in anatomy to describe a part of the human skull. It is located in the sphenoid bone, which is situated at the base of the skull, in front of the temporal bone and basilar part of the occipital bone. The lacerum is a small, irregularly shaped part of the sphenoid bone, and it is not visible in an intact skull as it is covered by parts of the temporal and occipital bones.

Structure

The lacerum is located on the inferior surface of the sphenoid bone, near the foramen lacerum. It is a small, irregularly shaped part of the bone, and it is not visible in an intact skull as it is covered by parts of the temporal and occipital bones. The lacerum is bordered by the petrous part of the temporal bone anteriorly, the basilar part of the occipital bone posteriorly, and the clivus medially.

Function

The lacerum does not have a specific function in the human body. However, it contributes to the overall structure and stability of the skull. It also forms part of the boundary of the middle cranial fossa, which houses important structures such as the pituitary gland and the temporal lobes of the brain.

Clinical significance

Due to its location, the lacerum can be involved in various medical conditions. For example, fractures involving the base of the skull can potentially damage the lacerum. In addition, tumors or other pathological conditions affecting the sphenoid bone can also involve the lacerum.

See also

• Foramen lacerum
• Sphenoid bone
• Skull

References

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