frontal bone

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.

Thesaurus

Noun

1.

frontal bone - the large cranial bone forming the front part of the cranium: includes the upper part of the orbits os frontale, forehead 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