frontal bone

(redirected from Forehead (bone))
Also found in: Thesaurus, Medical, Encyclopedia.

frontal bone

n.
A cranial bone consisting of a vertical portion corresponding to the forehead and a horizontal portion that forms the roofs of the orbital and nasal cavities.

frontal bone

n
(Anatomy) the bone forming the forehead and the upper parts of the orbits. It contains several air spaces

fron′tal bone′


n.
the broad front part of the skull, forming the forehead.
[1735–45]

frontal bone

A bone of the skull, consisting of a part that corresponds to the forehead and a part that forms the roof of the eye sockets and cavities of the nose.

frontal bone


click for a larger image
The forehead bone.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.frontal bone - the large cranial bone forming the front part of the cranium: includes the upper part of the orbitsfrontal bone - the large cranial bone forming the front part of the cranium: includes the upper part of the orbits
glabella, mesophyron - a smooth prominence of the frontal bone between and above the eyebrows; the most forward projecting point of the forehead in the midline at the level of the supraorbital ridges
metopion - the craniometric point midway between the frontal eminences of the skull
ophryon - the craniometric point in the midline of the forehead immediately above the orbits
membrane bone - any bone that develops within membranous tissue without previous cartilage formation; e.g. the clavicle and bones of the skull
braincase, brainpan, cranium - the part of the skull that encloses the brain
frontal eminence - either prominence of the frontal bone above each orbit