Category: B

An adhesive bandage used in place of sutures to hold wound edges together.  

An herb, Petasites hybridus, from which an herbal remedy is made for treatment of migraine headache and allergic rhinitis.  

A gaseous, inflammable hydrocarbon derived from petroleum.  

Generalized nonpitting edema that begins on the head or neck and spreads to the body. This lasts a year or less and leaves no sequelae. The cause is unknown.  

An infection of the skin and underlying tissues with Mycobacterium ulcerans. The infection, which is common in tropical and subtropical nations, develops slowly from a painless or minimally painful nodule on the skin into underlying bone, which it gradually destroys. The spread of the disease may be prevented with bacille Calmette-Guerin (BCG) vaccine.  

A blue line along the margin of the gingiva visible in chronic lead poisoning.  

Any pathological condition of a bursa.  

The formation of a subcutaneous tunnel made by a parasite or of a fistula or sinus containing pus.  

A tunnel made in or under the skin (e.g., by an insect or a parasite).  

A dilute solution of aluminum acetate; used in dermatology as a drying agent for weeping skin lesions.