Equine cutaneous mastocytosis.
D000818:Animals; D006652:Histological Techniques; D006734:Horse Diseases / Q000209:etiology / Q000473:pathology*; D006736:Horses; D012515:Mast-Cell Sarcoma / Q000209:etiology / Q000473:pathology / Q000662:veterinary*; D012878:Skin Neoplasms / Q000209:etiology / Q000473:pathology / Q000662:veterinary*; D013194:Staining and Labeling