Chapter 19 Vocabulary - Anatomy & Physiology
Terms in this set (20)
A foreign substance that triggers an immune response.
A protein produced by B cells that binds to specific antigens.
A type of white blood cell involved in adaptive immunity, including B and T cells.
The process by which certain cells engulf and digest foreign particles or pathogens.
A large phagocytic cell that ingests pathogens and presents antigens to lymphocytes.
A lymphocyte that matures in the thymus and mediates cellular immunity.
A lymphocyte that matures in bone marrow and produces antibodies.
Another term for antibody, a protein that recognizes antigens.
A group of proteins that enhance immune responses by promoting inflammation and cell lysis.
A long-lived lymphocyte that remembers a specific antigen for faster response upon re-exposure.
A signaling molecule that regulates immune cell communication and activity.
A cell that displays antigen fragments on its surface to activate T cells.
The body's nonspecific first line of defense against pathogens.
The specific immune response that develops after exposure to an antigen.
A condition where the immune system attacks the body's own tissues.
The process of stimulating immunity by exposure to a harmless form of an antigen.
The process of blood cell formation in the bone marrow.
A small organ that filters lymph and houses immune cells.
An organ that filters blood and helps fight infections.
The body's response to injury or infection, characterized by redness, heat, swelling, and pain.