Frontal bone
External surface
Superciliary arch
(L. cilium, eyelash)
Supraorbital margin
Supraorbital notch or foramen
function - transmits the supraorbital nerve, artery and vein
Zygomatic process
Internal surface
Groove for the superior sagittal sinus
function - houses the superior sagittal sinus
Orbital part
Orbital surface
Fossa for the lacrimal gland
(L. lacrima, a tear)
function - houses the lacrimal gland
Anterior ethmoidal foramen
function - transmits the anterior ethmoidal nerve, artery and vein
Posterior ethmoidal foramen
function - transmits the posterior ethmoidal nerve, artery and vein
Frontal sinus