An inflammation of the sinuses caused by changes in air pressure, often experienced by airplane passengers or divers.
From Greek 'baros' (weight/pressure) + Latin 'sinus' (cavity) + Greek '-itis' (inflammation). The term emerged in medical literature in the 20th century to describe pressure-related sinus problems.
Airplane ear's lesser-known sibling! This condition explains why some people get sinus headaches during flights—the pressure changes irritate the delicate sinus cavities, and it's especially common in divers descending rapidly.
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