What forms the sagittal, coronal, squamous, and lambdoid sutures?

These would be the sutures that the skull is composed of or correctly, where the different lobes of the skull are in contact and whose integrity is essential to the healthy growth of the skull in childhood and to ensure the brain is protected by the skull.

Cranial Sutures:

Coronal suture is a articulation between the parietal bone and frontal bone;

Sagittal suture is a articulation between the Parietal bones;

Lambdoid suture is a articulation between the Parietal bone and the occipital bone;

Squamous suture is between the parietal bone and Temporal bone;