Chapter 14-Lymphatic System

It is protection that an individual inherits to fight infection

It is the production of antibodies and lymphocytes after exposure to an antigen

Passing: passed from mother to baby through breast milk Active: getting the antigen and producing antibodies to fight it off and to protect from future infection.

Mass of lymphatic tissue in the nasopharynx

Protien produced by B cell lymphocytes to destroy antigens

Substance that the body recognizes as foreign. evokes an immune response. most antigens are proteins or protein fragments found on the surface of bacteria

T lymphocytes that directly kill foreign cells

Lymphocyte that originates in the bone marrow and transforms into a plasma cell to secrete antibodies.

Specialized microphage that digests foreign cells and helps B and T cells to mark antigens for destruction

Lymphocyte that aids B cells and cytotoxic T cells in recognizing antigens and stimulating antibody production

Body's ability to resist foreign organisms and toxins. includes natural and aquired immunity

Lymphocyte that originate in the bone marrow but matures in the thymus gland. it acts directly on antigens to destroy them or produce chemicals such as interferons and interleukins that are toxic to antigens

Protection

Lymph

Lymph node (gland)