frontal sinus

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Related to Frontal sinuses: ethmoid sinusitis

frontal sinus

[¦frənt·əl ′sī·nəs]
(anatomy)
Either of a pair of air spaces within the frontal bone above the nasal bridge.
References in periodicals archive ?
Inspection of the maxillary sinuses was easier and didactic when compared with the frontal sinuses, because the maxillae have a small number of tortuous bones and a more regular anatomy.
Both frontal sinuses have their ostia at the most dependent portion of the cavity (posteromedial).
Pain in your forehead or headache might indicate a problem with your frontal sinuses.
Frontal sinuses formation starts at two years old, but its pneumatization occurs only around 6-7 years old, because of the migration of the ethmoidal cell to the frontalis bone (PIGNATARY et al.
A follow-up MRI scan in 2009 showed contrast-enhancing soft tissue abnormalities within both of the frontal sinuses and the left ethmoid sinus (Figures 1 and 2).
Note on identification of skulls by x-ray pictures of frontal sinuses.
We speculate that undeveloped frontal sinuses in younger patients may provide a protective effect from developing intracranial extension of sinusitis," Dr.
1,2) These include: paranasal sinusitis, especially of the frontal sinuses (1-14) with the extension of infection from the sphenoid and ethmoid sinuses being relatively uncommon; (2) osteomy-elitis of the skull, which can be associated rarely with Pott's Puffy Tumor; (3,4,5) direct extension from the middle ear, the mastoid, or the orbit; trauma resulting in skull fracture; iatrogenic causes like craniotomy, skull traction for cervical fractures or scalp venous catheters in the pediatric population; (6) and hematological spread from a remote focus of infection.
The last to develop are the frontal sinuses, which are located above the eyes in the frontal bone.
Pain when your forehead over the frontal sinuses is touched may indicate that your frontal sinuses are inflammed.
The upper third of the face consists of the frontal bone, the temporal bone, the frontal sinuses or glabella, the supraorbital ridge and the roof of the orbits.