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Body Sys2-Lymph Path
Medical Terminology
| Term | Definition |
|---|---|
| immunodeficiency | an immune disorder characterized by a weakened immune system |
| pathogen | a disease-causing microorganism or agent, such as a virus or bacterium |
| opportunistic infection | an infection that takes advantage of reduced immune defenses |
| inflammation | the immune system’s response to injured or damaged cells, which results in redness, heat, swelling, and pain |
| allergy | an immune response to a normally harmless environmental substance |
| allergen | a substance that can trigger an allergy |
| rash | a change in skin color, texture, or overall appearance |
| hives | a rash characterized by red, itchy, slightly elevated patches on the skin that can range in size and appear anywhere on the body as a result of an allergy |
| anaphylaxis | a potentially fatal allergic reaction with hives, throat swelling, and low blood pressure |
| asthma | a condition characterized by abnormal sensitivity of the airways to allergens, resulting in airway inflammation and narrowing, wheezing, coughing, and shortness of breath |
| hay fever | also called seasonal allergies, it consists of runny nose, itchy eyes, and sneezing |
| lymphedema | swelling caused by the build-up of lymph in the tissues, caused by a variety of conditions |
| adenoiditis | inflammation of an adenoid |
| tonsillitis | enlargement of the spleen, which can be caused by a variety of conditions, including infections or cancer |
| retrovirus | a virus group that copies the host cell’s RNA |
| human immunodeficiency virus (HIV) | a virus that infects cells that are necessary for the proper functioning of the immune system |
| acquired immune deficiency syndrome (AIDS) | a disease caused by HIV in which the immune system functions so poorly that a person is vulnerable to a variety of infections and cancers |
| severe combined immunodeficiency (SCID) | a severe, genetic impairment of the immune system |
| autoimmune disease | an immune system disease characterized by a breakdown in the system’s ability to differentiate between self and nonself tissues that causes the system to mistakenly attack tissues of the body |
| arthritis | inflammation of a joint |
| autoimmune arthritis | a type of arthritis caused by the immune system attacking joint tissues |
| rheumatoid arthritis (RA) | an autoimmune disease of unknown cause that typically affects the small joints in the hands, feet, and neck |
| multiple sclerosis (MS) | an autoimmune disorder in which the immune system attacks tissues in the brain and spinal cord |
| celiac disease | an autoimmune disorder triggered by dietary exposure to a protein found in wheat and characterized by intestinal symptoms and poor absorption of nutrients |
| myasthenia gravis | an autoimmune disease of unknown cause that causes muscle weakness and fatigue |
| Grave’s disease | an autoimmune disorder of unknown cause that leads to overactivity of the thyroid gland |
| systemic lupus erythematosus (SLE) | also known as lupus, an autoimmune disorder that can damage many organs, including the heart, lungs, skin, brain, and joints |
| node biopsy | a diagnostic procedure in which lymph node cells are surgically removed from a patient and examined for the presence of disease |
| bone marrow transplant | a procedure in which marrow from a healthy donor is injected into the patient’s marrow |
| tonsillectomy | the surgical removal of the tonsils |
| thymectomy | the surgical removal of the thymus, for example as part of the treatment for myasthenia gravis |
| splenectomy | the surgical removal of the spleen |
| chemotherapy | the use of chemical agents to treat diseases, such as cancer |
| radiation therapy | drugs that can slow the growth of retroviruses, such as HIV |
| desensitization treatments | shots given by a doctor to try to train the immune system not to react to certain allergens |
| immunization | the introduction of a foreign substance, such as a harmless part of a flu virus, to provoke acquired immunity |
| immunosuppressant | a medication that reduces the immune response |
| neoplasm | an abnormal growth of cells that may or may not form a tumor and may or may not be malignant |
| tumor | a swelling or an abnormal mass of tissue that may be either malignant or benign |
| cancer | a condition in which cells multiply and grow in an unregulated fashion, invading nearby tissues and sometimes spreading to distant parts of the body |
| leukemia | a group of cancers of the blood or bone marrow in which an abnormally large quantity of white blood cells is produced |
| lymphoma | a group of cancers in which either T-cells or B-cells multiply in an unregulated fashion, causing tumors |
| Hodgkin’s disease | a type of lymphoma that can often be successfully treated with a combination of chemotherapy, radiation therapy, and bone marrow transplant |
Created by:
rleroux
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