CRANIAL SUTURES

A	Coronal Suture Articulation between the parietal bones and the frontal bone.
B	Squamous Suture: Articulation between the temporal bones with the parietal bones.
C	Lambdoid Suture: Articulation of the parietal bones and the occipital bone.
D	Occipitomastoid Suture: Articulation between the occipital bone and the mastoid process of the temporal bone.
E	Sagittal Suture: You can't really see this one, but it is on the very top of the cranium. The articulation between the parietal bones.

There are four pairs of sinuses which are lined with mucosa and filled with air at normal times.

Frontal
Maxillae	The maxillary sinuses are the largest.
Sphenoid
Ethmoid