When skin is<unk> d, 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.<unk> ng of the fingers is also one of the most clinically evident signs of Raynaud's phenomenon.<unk> ng is prevented in gangrene as the red blood corpuscles are extravasated and impart red color to the gangrenous part.
Blanch 
Lint 
Jim 
Evenor
Heal 
Hovid 
Acimed
Mohel