Definition: Pleonis, a Latin word meaning "pneumonia," is a medical condition that occurs when the lining of your nose and throat becomes inflamed. This can lead to symptoms such as congestion, coughing, sneezing, and difficulty breathing. Pleonases are often associated with these conditions because they are caused by inflammation or irritation in the nasal cavity or throat. Pneumonia is a serious condition that requires medical attention if left untreated, as it can be life-threatening.
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