Rhinitis causing the rhinitis. Rhinitis medicamentosa is a form of drug-induced nonallergic rhinitis which is associated with nasal congestion brought on by the use of certain oral medications (primarily sympathomimetic amine and 2-imidazoline derivatives) and topical decongestants (e.g., oxymetazoline, phenylephrine, xylometazoline, and naphazoline nasal sprays) that constrict the blood vessels in the lining of the nose. Chronic rhinitis is a form of atrophy of the mucous membrane and glands of the nose. Chronic form of dryness of the mucous membranes. Chronic rhinitis associated with polyps in the nasal cavity. Most prominent pathological changes observed are nasal airway epithelial metaplasia in which
Velar nasal Velar nasal The velar nasal, also known as agma, from the Greek word for fragment, is a type of consonantal sound, used in some spoken languages. It is the sound of "ng" in English "sing". The symbol in the International Phonetic Alphabet that represents this sound is , and the equivalent X-SAMPA symbol is codice_1. The IPA symbol is similar to , the symbol for the retroflex nasal, which has a rightward-pointing hook extending from the bottom of the right stem, and to , the symbol for the palatal nasal, which has a leftward-pointing hook extending from the bottom of