Bone
Frontal bone
Forehead and orbital roofs
High-yield
Forms the anterior cranial fossa floor and orbital roofs; contains the frontal air sinus.
Overview
A flat cranial bone forming the forehead, the roofs of the orbits, and part of the anterior cranial fossa, containing the frontal sinuses.
Reference facts
- Bone type
- Flat
- Key landmarks
- Squamous (forehead) part; Supraorbital margins and notches/foramina; Glabella; Frontal sinuses; Orbital plates
- Articulations
- Parietal bones (coronal suture); Sphenoid; Ethmoid; Nasal, lacrimal, maxilla, zygomatic bones
Frequently asked questions
What type of bone is the frontal bone?
The frontal bone is a flat bone.
What does the frontal bone articulate with?
The frontal bone articulates with the parietal bones (coronal suture); Sphenoid; Ethmoid; Nasal, lacrimal, maxilla, zygomatic bones.
What are the key landmarks of the frontal bone?
Key landmarks of the frontal bone include the squamous (forehead) part; Supraorbital margins and notches/foramina; Glabella; Frontal sinuses; Orbital plates.