Tumors in the mouth (oral cancer) and throat (oropharyngeal cancer) include both benign (not cancer) and malignant types. Benign tumors, although they may grow and penetrate below the surface layer of tissue, do not spread by metastasis to other parts of the body.
Innate Immunity. The innate immune system is also known as the nonspecific immune system, which provides the first line of immunological defense against infection. The molecules and the receptors of the immune system provide a broad range of protection, so that it is also referred to as ânatural immunityâ.daptive Immunity. The adaptive or specific immune system mainly attacks the specific invaders. It consists of highly specialized cells called thymus-derived T lymphocyte cells and bone marrow-derived B lymphocyte cells.
3/20/20101 Antigen recognition in innate and adaptive immunity Diversity in antigen recognition receptors Immune system The ability toThe ability to distinguish self from non-self Innate immunity â¢ Very old.Every organism has some form of innate defence system.â¢ Does not adapt./20/20101 Antigen recognition in innate and adaptive immunity Diversity in antigen recognition receptors Immune system The ability toThe ability to distinguish self from non-self Innate immunity â¢ Very old.