Medical Dictionary

mucous patch

noun

medical Definition of mucous patch

: a broad, flat, erosive lesion of secondary syphilis that occurs on moist skin or mucous membranes and is often marked by a yellowish discharge
  • During the secondary stage of syphilis, mucous patches, which have high concentrations of Treponema pallidum and are extremely infectious, might develop in the mouth.
  • The Journal of the American Medical Association24 Nov. 2004

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