frontal bone

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Related to Frontal bones: os frontale, frontal squama

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


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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
References in classic literature ?
He had a long, thin body and the scholar's stoop; his head was large and ugly; he had pale scanty hair and an earthy skin; his thin mouth and thin, long nose, and the great protuberance of his frontal bones, gave him an uncouth look.
In the skull, sphenoid and frontal bones are affected.
Measuring more than 90 mm in length, it compressed the anterior parietal and left inferior frontal bones into the cranial vault.
They observed that the mummy's head looked normal from outside but the skull's frontal bones were destroyed completely.
He noted that "barely ossified and immature elements" of the hands and feet, and the wide open metopic suture, where the two frontal bones of the skull come together down the middle of the forehead.
lesions in teeth, bony exostosis in metacarpal, metatarsal, ribs and frontal bones and lameness.
Schoemann, who spent the last ten years playing Sevens rugby for South Africa and has been on the professional circuit for 13 years, sustained a knock to the head which ended his career and shattered his frontal bones.
Whereas antler-like appendages were permanent protuberances from the frontal bones of the skull, modern antlers grow during a certain time of the year (depending on the hemisphere), die and remain attached to the skull for a period of time, then are cast to start the process anew.
If the metopic suture fuses too early, the brain can't expand the frontal bones, so it expands posteriorly.
Frontal (Fr): the frontal bones are joined medially along their entire length, articulating rostrally with the prefrontal bones, caudally with the parietal bones and caudolaterally with the postorbital bones.