psoriasis of the scalp

allergy antibodies autoimmune back body complexion damage derma dermatology diagnosis disease diseases disorder englobement epidermis eruption erythematosus hair head hematology hide hive illness immune immunity immunology inflammation irritation itch leather lupus medical medicine neirodermit neurology pathology patient pelt phagocytosis pruritus psoriasis psychosomatic purpura rheumatoid scalp science skin skinned sle symptom systemic