Skull sutures

Last revised by Daniel J Bell on 14 Apr 2024

There are many skull sutures, which is the name given to the fibrous joints formed where the bones of the skull meet. In general, sutures do not fuse until brain growth is complete, therefore allowing the skull to increase in size with the developing brain.

Gross anatomy

Skull sutures are fibrous joints with the periosteum externally and the outer layer of dura mater continuous over and under them. Their wavy appearance affords increased contact surface area between adjacent bones, supporting the strength of the joint.

Named sutures divided by their general location include:

Specific names have been given to where sutures meet, see: skull landmarks

Related pathology

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