Basilar part

Basilar Part is a term used in anatomy to refer to the base of a structure. In the context of the human skull, the basilar part is a region of the occipital bone where it articulates with the sphenoid bone.

Structure

The basilar part is a thick, somewhat quadrilateral piece in front of the foramen magnum and directed towards the pharynx. This part is also known as the basioccipital. It articulates in front with the sphenoid bone, and laterally with the petrous portion of the temporal bone.

Development

The basilar part is initially made up of cartilage in the developing fetus. This cartilage is replaced by bone during the process of endochondral ossification, which typically completes by the age of six years.

Clinical significance

Abnormalities or injuries to the basilar part can have significant clinical implications. For example, basilar skull fractures can lead to cerebrospinal fluid leak, meningitis, or cranial nerve injuries.

See also

• Occipital bone
• Sphenoid bone
• Foramen magnum
• Endochondral ossification

References

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