pustule(redirected from pustula)
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Related to pustula: papula, pustular melanosis, pustular psoriasis
a vesicle with purulent contents that appears on the skin in some dermatoses and infectious diseases of man. Pustules may be superficial, developing within the epidermis, or beneath the epidermis, often in a hair follicle or sebaceous gland and including the skin as well. Scars remain after the healing of deep pustules.