Word: antrum
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Dates: during 1940-1949
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Bony Caverns. The nasal sinuses are four pairs of hollow cavities in the bones of the lower forehead, the cheekbones, and the bones that lie behind the bridge of the nose. These bony caverns are called the frontal, maxillary or antrum, ethmoid and sphenoid sinuses. They open into each half of the nasal cavity, like rooms off a corridor. Each sinus is lined with delicate membranes, which are furred with tiny hairs (cilia) and covered with sheets of warm mucus...
...Irrigation of the antrum"-flooding it out with salt solution-used to be very popular, but should be avoided unless absolutely necessary. It must, of course, be done by a doctor...
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