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词条 Blanch (medical)
释义

  1. See also

{{Unreferenced|date=July 2018}}

When skin is blanched, it takes on a whitish appearance as blood flow to the region is prevented. This occurs during and is the basis of the physiologic test known as diascopy.{{Citation needed|date=February 2009}}

Blanching of the fingers is also one of the most clinically evident signs of Raynaud's phenomenon.{{Citation needed|date=February 2009}}

Blanching is prevented in gangrene as the red blood corpuscles are extravasated and impart red color to the gangrenous part.

See also

  • Diascopy
{{dermatology-stub}}

1 : Dermatologic terminology

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