A group is: 1  two or more people who share a common definition and evaluation of themselves and behave in accordance with such a definition. ( 2 Vaughan & Hogg, 2002, p. 200). 3  a collection of people who interact with one another, accept rights and obligations as members and who share a common identity.
acanthosis - an abnormal but benign thickening of the prickle-cell layer of the skin (as in psoriasis) acanthosis nigricans, keratosis nigricans - a skin disease characterized by dark wartlike patches in the body folds; can be benign or malignant. acne - an inflammatory disease involving the sebaceous glands of the skin; characterized by papules or pustules or comedones.
Scabs are a common symptom of skin infections, immune system skin disorders, and injury. Scabs result from the healing process, in which new skin grows over damaged skin.