livedo reticularis(redirected from Dermatopathia pigmentosa reticularis)
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a discolored patch on the skin, usually associated with cold weather. adj., adj liv´edoid.
livedo racemo´sa (livedo reticula´ris) reddish blue, netlike mottling of the skin; it is exacerbated by exposure to cold.
a persistent purplish network-patterned discoloration of the skin caused by dilation of capillaries and venules due to stasis or changes in underlying blood vessels including hyalinization; rarely appears as a developmental defect.
Synonym(s): dermatopathia pigmentosa reticularis
a disorder accentuated by exposure to cold and presenting with a characteristic reddish-blue mottling with a typical "fishnet" appearance. The condition involves the entire leg and, less often, the arm. See also livedo.
livedo reticularisDermatology A bluish mottling of the skin evoked by low temperatures and characterized by vasodilation. See Raynaud's phenomenon.
li·ve·do re·tic·u·la·ris(li-vē'dō re-tik-yū-lar'is)
A persistent purplish network-patterned discoloration of the skin caused by dilation of capillaries and venules due to stasis or changes in underlying blood vessels including hyalinization.