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Medical Dictionary

gravis

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adjective gra·vis \ˈgra-vəs, ˈgrä-, ˈgrā-\

Medical Definition of gravis

: tending to be more virulent than average—used especially of strains of diphtheria bacilli; see icterus gravis, icterus gravis neonatorum, myasthenia gravis; compare intermedius, mitis

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