keratosis blennorrhagica: skin disease characterized by a scaly rash on the palms and soles; associated with Reiter's syndrome
keratosis: a skin condition marked by an overgrowth of layers of horny skin
phase iii clinical trial: a large clinical trial of a treatment or drug that in phase I and phase II has been shown to be efficacious with tolerable side effects; after successful conclusion of these clinical trials it will receive formal approval from the FDA