ST 111 Week 2 Vocab
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50 terms
Terms | Definitions |
|---|---|
 natural killer cells | lymphocyte cells that recognize and destroy foreign cells |
| plasma cells | cells that secretes an antibody and originates from b-cell lymphocytes |
| right lymphatic duct | recieves lymph from the upper right part of the body |
| spleen | organ near the stomach that produces, stores, and eliminates blood cells |
| supressor cells | t-cell lymphocytes that inhibit the activity of b-and t-cell lymphocytes |
| t-cells | lymphocytes formed in the thymus gland |
| thoracic duct | large lymph vessels in the chest that recieves lymph from below the diaphragm |
| thymus gland | organ in the mediastinum that produces t cell lymphocytes |
| tonsils | masses of lymph tissue posterior to the oropharynx |
| toxin | a poison produced by certain bacteria, animals and plants |
| vaccination | introduction of altered antigens to produce an immune response |
| immun/o | protection |
| retrovirus | RNA virus that makes copies of itself by using the host cells DNA |
| lymphaden/o | lmyph node |
| allergy | abnormal hypersensitivity acquired by exposure to an allergen |
| thym/o | thymus gland |
| tox/o | POISION |
| ana- | backward, away from |
| inter- | between |
| lymphoma | malignant tumor of lymph nodes |
| multiple myeloma | malignant tumor of bone marrow cells |
| anaphylaxis | unusual hypersensitivity to foreign protein |
| hodgkins disease | a malignant tumor of lymph tissue in spleen and lymph nodes |
| kaposi sarcoma | malignant condition associated with AIDS |
| opportunistic infection | infectious disease associated with AIDS due to lowered resistance |
| acquired immunity | formation of antibodies and lymphocytes after exposure to an antigen |
| adenoids | masses of lmyph tissue in nasopharnyx |
| antibodies | proteins that destroy antigens |
| axillary nodes | lymph nodes in the armpit |
| B cells | lymphocytes that transform into plasma cells and secrete antibodies |
| cell-mediated immunity | an immune response whereby destruction of antigen takes place |
| cervical nodes | lymph nodes in the neck region |
| cytotoxic cells | t-cell lymphocytes that directly kill foreign cells |
| dendrite cells | antigen-presenting cells derived from monocytes |
| helper cells | t cells that aid b cells in stimulating antibody formation |
| humoral immunity | b cells transform into plasma cells |
| immune response | bodys capacity to resist all types of organisms and toxins |
| immunoglobins | antibodies that are secreted by plasma cells in the humoral immunity |
| inguinal nodes | lymph nodes in the groin area |
| interferons | antiviral proteins secreted by t cells |
| interleukins | proteins that stimulate the growth of b and t - lymphocytes |
| interstitial fluid | becomes lymph |
| lymph | fluid found within lymphatic vessels |
| lymph capillaries | tiniest lymphatic vessels |
| lymphoid organs | lymph nodes, spleen, thymus |
| lymph nodes | stationary lymph tissue along the lymph vessels |
| lymph vessels | carries lymph throughout the body |
| macrophages | large phagocyte in lymph nodes and other tissues of the body |
| mediastinal nodes | lymph nodes between the lungs |
| natural immunity | individuals genetic ability to fight off disease |
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