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A pustule is a small collection of pus in the top layer of skin (epidermis) or beneath it in the dermis. Pustules frequently form in sweat glands or hair follicles. Pus is a mixture of inflammatory cells and liquid. Put somewhat more simply, a pustule is a little pimple full of pus.

glossary/pustule.txt · Last modified: 2012/10/16 14:40 (external edit)