subacute scle·ros·ing panencephalitis (sklə-rōsĭng)
An often fatal degenerative disease of the central nervous system occurring chiefly in young people, caused by slow infection with a measles virus and characterized by progressive loss of mental and motor functions ending in dementia and paralysis.
[sclerosing, from sclerose, to harden, back-formation from SCLEROSED.]
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Indo-European & Semitic Roots Appendices
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