Cutaneous membrane (Integument)
-apart of INNATE IMMUNITY: 1ST LINE OF DEFENSE o Epidermis & dermis serve as a physical barrier § Cells are tightly linked, preventing entry of most microbes § Dermis produces hyaluronic acid which slows the migration of microbes that have penetrated the epidermis § Integument has a normal (nonpathogenic) commensal microflora that help prevent growth of pathogenic microorganisms