paranasal sinus

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Related to Nasal passage: pharynx, bronchi

paranasal sinus

[¦par·ə¦nā·zəl ′sī·nəs]
(anatomy)
Any of the paired sinus cavities of the human face; includes the frontal, ethmoid, and sphenoid sinuses.
References in periodicals archive ?
influenzae in their nasal passages than babies whose mother's milk had lower concentrations of the antibody.
Because the product creates a virtual "filter" for the nasal passages, it can also protect the product users from airborne allergens they are exposed to during air travel.
Xlear Nasal Wash provides a simple, yet effective way to keep the nose moist in a dry, harsh climate and may reduce the number of potentially harmful bacteria and allergens in the nasal passage.
As the key ingredient in the nasal wash, xylitol assists the body's natural cleansing process, preventing bacteria from adhering to the nasal tissues while increasing the natural moisture flow process in the nasal passage.
They are thought to develop as a result of inflammation of the lining of the nasal passages and sinuses.
Rhinovirus, also known as the common cold virus, grows better in the nasal passages than in the lungs, but the reason hasn't been clear.
based company is designed to use calming Menthol vapor scents to expand nasal passages.
Keep the nasal passages clear by practising steam inhalation with added menthol or eucalyptus drops, a few times a day.
Second-hand cigarette smoke gets trapped in their nasal passages, increasing chances of nasal cancer.
A knockout mouse lacking loricrin in its skin cells allowed fewer bacterial cells to colonize its nasal passages than a normal mouse.
It is a product whereby the principal ingredient, positively charged water-soluble polymer, imparts an invisible filter-like screen of positively charged ions to effectively block airborne viruses from entering the nasal passages.
Special treatments to flush out the nasal passages are also helpful as they moisten the membranes and remove blockages.