frontal bone


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frontal bone

[′frənt·əl ‚bōn]
(anatomy)
Either of a pair of flat membrane bones in vertebrates, and a single bone in humans, forming the upper frontal portion of the cranium; the forehead bone.
References in periodicals archive ?
The lesions in the frontal bones reflect face-to-face fighting.
Antlers originate from the frontal bones on two "stumps" called pedicels.
The frontal sinus originates from the frontal recess, which is the most anterior part of the anterior ethmoid cells, and grows into the frontal bone.
Since the frontal bone is diploic with a marrow cavity, it is susceptible to osteomyelitis.
Thicker frontal bones, such as those seen in osteopetrosis, tend to form smaller, less aerated sinuses.
Computed tomography (CT) of the paranasal sinuses revealed widening of the frontal bone with extensive medial and right lateral osteolytic structural changes in the cancellous bone of the diploe (figure 1).
Complete surgical exposure of the frontal bone and superior orbital rims was achieved via a standard coronal flap (figure 3).
The skull, of which only the frontal bone and the horn cores were preserved, was found to be of a female aurochs, Bos primigenius.
Unifocal Langerhans' cell histiocytosis of the frontal bone is rare.
Another small hole lies on the left parietal, and a larger one is present on the left side of the frontal bone.
Noskin and Kalish also described a rare case of chronic cocaine abuse in which a patient developed Pott's puffy tumor, which is a subperiosteal abscess of the frontal bone that is associated with frontal osteomyelitis.
A symptomatic frontal bone lesion was removed, and the resulting defect was repaired with hydroxyapatite cement.