BRMs include interferons, interleukins, thymus hormones, and monoclonal antibodies. The use of living organisms or their products to make or modify a substance. Soft tissue located in the cavities of the bones. The bone marrow is the source of all blood cells. Each human cell has 23 pairs of chromosomes.
Complement destroys bacteria, produces inflammation, and regulates immune reactions.
The delivery of a second signal from an antigen-presenting cell to a T cell. The second signal rescues the activated T cell from anergy, allowing it to produce the lymphokines necessary for the growth of additional T cells. Powerful chemical substances secreted by cells. Cytokines include lymphokines produced by lymphocytes and monokines produced by monocytes and macrophages. Dendritic cells typically use threadlike tentacles to enmesh antigen, which they present to T cells.