patch (redirected from patching together)

patch (pach)

1. a small area differing from the rest of a surface.

2. a macule more than 3 or 4 cm in diameter.

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Peyer's patches  oval elevated patches of closely packed lymph follicles on the mucosa of the small intestines.

salmon patch  see nevus flammeus.

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patch (pch)

n.

1. A small circumscribed area differing from the surrounding surface.

2. A dressing or covering applied to protect a wound or sore.

3. A transdermal patch.

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patch,

n a method of medicinal pre-paration in which a cloth dressing is impregnated with herbal constituents and placed on the skin. Particularly used in moxibustion in Chinese medicine.

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patch (pach),

n mucus, a large gray-white region overlying an area of ulceration and occurring on the oral mucosa as an expression of secondary syphilis; highly infectious. See also syphilis.

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patch

a small area differing from the rest of a surface.

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patch grafting

see patch graft.

serosal patch

creation of an adhesion between serosal surfaces in order to cover a defect or perforation of bowel, often accomplished by suturing another section of bowel over the area.

patch test

a test of delayed type hypersensitivity in the skin used in the diagnosis of allergic contact dermatitis. The substance suspected of being the cause is applied to the skin, either under a dressing (closed patch test) or without a covering (open patch test). The site is examined at regular intervals for up to 5 days to detect any inflammatory reaction of the skin.