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A & P Chapter 12

TermDefinition
B Lymphocytes Mature in the bone marrow before moving outward to the rest of the body.
Lingual Tonsils Two masses of lymphatic tissue that lie on either side of the base of the tongue.
Lymph Clear fluid that is collected from throughout the body and flows in the lymphatic vessels.
Lymph Nodes Small structures found along the lymphatic vessels throughout the body.
Lymphatic Nodules Small clusters of dense tissue formed by lymphoctyes and macrophages.
Lymphatic Vessels Vessels carrying lymphs.
Lymphoctyes White blood cells that are abundant in lymphanic tissue
Macrophages Cells which phagocytize.
Natural Killer Cells Kills virus-infected and cancer cells to protect the body.
Palatine Tonsils Tonsils in the mouth.
Pathogens Disease-causing agents.
Pharyngeal Tonsil Back of the nasopharynx. (Nasal cavity opening)
Spleen Lymphatic organ in the body, Filters blood and activates immune response.
T Lymphoctyes Grow in the thymus before the move out to the rest of the body.
Inflammatory Response Response to tissue injury. Heat, redness, swelling and pain.
Phagocytosis Cell engulfs and destroys foreign matter.
Active Immunity Blood plasma cells make antibodies as a result of previous exposure to a disease.
Cellular Immunity T Lym cells are activated by antigen-presenting cells.
Humoral Immunity Free antibodies circulating in the blood.
Immune System Cells and chemicals that contribute to the body's immunity.
Passive Immunity Comes from antibodies received from an outside source.
Primary Immune Response Initial immune response to a foreign invader such as a virus or bacterium.
Secondary Immune Response Response to an infectious agent that it has once encountered.
AIDS HIV first, then your immunes ystem becomes worse.
Allergen Antigen which causes an extremely strong immune response.
Anaphylaxis Severe allergic-reaction. Airway may be blocked and blood pressure drops.
Autoimmune Disorder Immune system attacks the body's own tissue.
HIV Virus which causes AIDS
Immunotherapy Allergy Shots
Lymphedema Buildup of extracellular fluid in the body because of disruption in lymphatic drainage.
Metastasis Spreading of cancerous cells from their original location to another part of the body.
Created by: Andrearoberts