Simple Definition of meningitis
medical : a serious and often deadly disease in which an outside layer of the brain or spinal cord becomes infected and swollen
Full Definition of meningitis
plural meningitidesplay \-ˈji-tə-ˌdēz\
1 : inflammation of the meninges and especially of the pia mater and the arachnoid
2 : a disease marked by inflammation of the meninges that is either a relatively mild illness caused by a virus (as various Coxsackie viruses) or a more severe life-threatening illness caused by a bacterium (as the meningococcus)
Examples of meningitis in a sentence
She was diagnosed with spinal meningitis.
Origin of meningitis
First Known Use: 1824
Medical Definition of meningitis
plural meningitides \-ˈjit-ə-ˌdēz\play
: inflammation of the meninges and especially of the pia mater and the arachnoid; specifically : a disease marked by inflammation of the meninges that is either a relatively mild illness caused by a virus (such as various Coxsackieviruses) or a more severe usually life-threatening illness caused by a bacterium (especially the meningococcus, Neisseria meningitides, or the serotype designated B of Haemophilus influenzae) ◆Meningitis is often marked by fever, headache, vomiting, malaise, and stiff neck, and if left untreated in bacterial forms, may progress to confusion, stupor, convulsions, coma, and death.
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