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.
List of cutaneous conditions. Many conditions affect the human integumentary systemâthe organ system covering the entire surface of the body and composed of skin, hair, nails, and related muscle and glands. The major function of this system is as a barrier against the external environment. The skin weighs an average of four kilograms, covers an area of two square meters, and is made of three distinct layers: the epidermis, dermis, and subcutaneous tissue. The two main types of human skin are: glabrous skin, the ...