- vestibular n. a paroxysmal attack of severe vertigo, not accompanied by deafness or tinnitus, which affects young to middle-aged adults, often following a nonspecific upper respiratory infection; due to unilateral vestibular dysfunction. SYN: endemic paralytic vertigo, epidemic vertigo, Gerlier disease, kubisagari, kubisagaru, paralyzing vertigo.
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neu·ron·i·tis .n(y)u̇r-ə-'nīt-əs n inflammation of neurons esp neuritis involving nerve roots and nerve cells within the spinal cord
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neu·ro·ni·tis (noor″o-niґtis) inflammation of one or more neurons.Medical dictionary. 2011.