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A & P Chapter 12
| Term | Definition |
|---|---|
| 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
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