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clinically nonapparent (except, possibly, for abnormal pupils) syphilitic meningeal infection, diagnosed by examination of the cerebrospinal fluid; if untreated, often develops into some form of symptomatic neurosyphilis.
Etymology: Gk, a, without, symptoma, neuron, nerve; Fr, syphilide
a form of neurosyphilis characterized by pathological changes in the cerebrospinal fluid, although there are no symptoms of nervous system damage. Asymptomatic neurosyphilis may occur many years before actual nervous system damage is noticeable.
Neurosyphilis that is clinically occult. It is diagnosed by changes in spinal fluid.
See also: neurosyphilis