INTEGUMENTARY SYSTEM DISEASES AND DISORDERS (SKIN) Important Terminology for disorders of integumentarysystem Alopecia :– Loss of hair Acantholysis :- Epidermal cell separation from each other (which occurs due to intracellular substrate damage or abnormality) Carbuncle :- Carbuncle is a bacterial skin infection affecting a group of hair follicles. Cellulitis :– Cellulitis is a bacterial skin infection. In which redness, swelling and pain are seen in the affected skin area. Comdones