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Definition of tabes dorsalis
: a syphilitic disorder of the nervous system marked by wasting, pain, limb weakness, ataxia, and disorders of sensation and vision resulting from degeneration of the spinal cord
— called also locomotor ataxia
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Merriam-Webster unabridgedWords at Play
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Time Traveler for tabes dorsalis
The first known use of tabes dorsalis was circa 1681
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