The frontal sinuses, in the low center of the forehead.
The maxillary sinuses (the largest), in the cheekbones.
The sphenoid sinuses, in bones behind the nasal cavity.
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The sinuses are lined with soft, pink tissue Nike Womens Crop Top called mucosa. Normally, the sinuses are empty except for a thin layer of mucus.
is that sinuses help humidify the air we breathe in; another is that they Nike Sportswear Windrunner Hooded Jacket
The inside of the nose has ridges called turbinates. Normally these structures help humidify and filter air. The nose is divided in the center by a thin wall, called the septum. Most of the sinuses drain into the nose through a small channel or drainage pathway called the middle meatus.
Sinus ConditionsAcute sinusitis (sinus infection): Viruses or bacteria infect the sinus cavity, causing inflammation. Asthma, chronic sinus infections, and allergic rhinitis can lead to nasal polyps.
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The sinuses are a connected system of hollow cavities in the skull. The largest sinus cavities are around an inch across; others are much smaller. The sinus cavities include:
Sinus TestsPhysical examination: A doctor can look into the nose with a lighted viewer to see the turbinates, which may be swollen. A CT scan is superior to plain X ray films.
Sinuses Human Anatomy
The ethmoid sinuses, between the eyes, at the nasal bridge.
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