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CHP8 Skeletal; Cranial Bones and Their Markings; Frontal

Frontal Forehead bone; also forms most of the roof of the orbits (eye sockets) and the anterior part of the cranial floor
Supraorbital Margin Arched ridge just below the eyebrow; forms the upper edge of the orbit
Frontal Sinuses Cavities inside the bone just above supraorbital margin; lined with mucosa; contain air
Frontal tuberosities (tubers or eminences) Bulge above each orbit; most prominent part of forehead
Superciliary arches (ridges) Curved ridges caused by projection of the frontal sinuses; eyebrows lie superficial to these ridges
Supraorbital foramen (sometimes notch) Foramen or notch in the supraorbital margin slightly medial to its midpoint; transmits supraorbital nerve and blood vessels
Glabella Smooth area between the superciliary ridges and above the nose
Created by: Jgiron6994