white patch


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white patch

A white, thickened area of oral mucosa that will not rub off and represents a benign hyperkeratosis.
See: leukoplakia
See also: patch
References in periodicals archive ?
Those can range from a white patch on the tongue, gum or cheek to an ulceration that won't go away.
The robbers are described as, a black man aged between 20 and 25, wearing a black tracksuit-type jacket with white ribbed design around the bottom, a light blue t-shirt and jeans or tracksuit bottoms, and a white man around 5ft 7ins, in his 20s, wearing a black zip-up top with a vertical stripe on the back, light blue jeans, black and white trainers and a black baseball cap with a white patch.
A study of the birds found those with the white patch between the base of the tail and the lower back could best disguise the path of their escape from the swiftest of all predators - the peregrine falcon.
The rooks' large white patch of bare skin at the base of the beak and heavily feathered legs - they look as if they're wearing baggy, black shorts - separate them from the similar but solitary carrion crow.
This false-color image shows a towering thunderstorm (the mottled white patch at lower-left center) more than 1,000 kilometers across and 75 km tall.
Unlike the great white, however, the porbeagle has a white patch on the trailing edge of the dorsal fin and eats mostly bony fish like mackerel, herring, lancetfish and sauries.
The dog, believed to be part Collie, had a white patch over his right eye and black speckled ears.
The large white patch found on each side of a woodpigeon's neck is replaced with bright green.
The dog was dark brown with a white patch over one eye and some white patches on its rear.
Daisy is black with white paws and has a white patch around her neck.