Arising in the mucous membranes, these white patches on the tongue, gums, cheeks, or elsewhere inside the mouth have the potential to develop into squamous cell carcinoma. They may be caused by sources of chronic irritation, such as habitual alcohol consumption or tobacco use, or rough edges on teeth or dentures.
Virus infection in vertebrates results in two general types of immune response. The first is a rapid-onset innate response against the virus, which involves the synthesis of proteins called interferons and the stimulation of natural killer lymphocytes.
Features of an Immune Response. An immune response is generally divided into innate and adaptive immunity. Innate immunity occurs immediately, when circulating innate cells recognize a problem.Adaptive immunity occurs later, as it relies on the coordination and expansion of specific adaptive immune cells.eatures of an Immune Response. An immune response is generally divided into innate and adaptive immunity. Innate immunity occurs immediately, when circulating innate cells recognize a problem.