ulcer
lesion on the surface of the skin or a mucous surface, produced by the sloughing of inflammatory necrotic tissue
mouth ulcer
ulcer that occurs on the mucous membrane of the oral cavity
genital ulcer
ulcer located on the genital area
Trigeminal trophic lesion
medical condition
Hematopoietic ulcer
medical condition
peptic ulcer disease
ulcer of an area of the gastrointestinal tract