Lymphatic System Terms Unit 10
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28 terms
Terms | Definitions |
|---|---|
 key word parts | blast/o carcin/o cervic/o -cide -genesis immun/o -lytic neo- -oma onc/o phag/o -plasm sarc/o splen/o -tic |
| acquired immunodeficiency syndrome | also known as AIDS, describes the advanced stages of HIV infection. |
| allergen | substances producing an allergic reaction |
| anaphylaxis | is a severe response to a foreign substance such as a drug, food, insect venom, or chem¬ical. Symptoms develop very quickly and include swelling, blockage of air passages, and a drop in blood pressure. \Without appropriate care, the patient may die within minutes. |
| antibody | also known as Ab, is a disease-fighting protein created by the immune system in response to the presence of that specific anigen |
| antigen | also known as Ag,is any substance such as a virus, bacterium, or toxin that the body regards as foreign |
| antiviral | such as acyclovir, is used to treat viral infections or to provide temporary immunity. Antibiotics are not effective against viruses. |
| aspergillosis | is an infection caused by a fungus of the genus Aspergillus. It may cause inflammation and lesions on or in any organ. |
| autoimmune disorder | is a con¬dition in which the immune system misreads normal antigens and creates antibodies and directs T cells against the body's own tissues. Many of these disorders appear to be genetically transmitted and they affect most body systems. For reasons that are not under¬stood, 75% of these diseases occur most frequently in women during the childbearing years |
| axillary lymph nodes | are located under the arms |
| bacilli | are rod-shaped spore-forming bacteria (singular, bacillus). Tetanus and tuberculosis are caused by bacilli. |
| bacteria | are a group of one-celled microscopic organisms. (singular, bacterium). The patho¬genic types of bacteria include bacilli, rickettsia, spiro¬chetes, staphylococci, and streptococci. |
| bactericide | is a substance that causes the death of bacteria (bacteri means bacteria and cide means causing death). Bactericides include primarily the antibiotic groups of penicillins and cephalosporins |
| bacteriostatic | is an agent that inhibits, slows, or retards the growth of bacteria. These include primarily the antibiotic groups of tetra¬cyclines, sulfonamides, and erythromycin. |
| brachytherapy | is the use of radioactive materials in contact with, or implanted into, the tissues to be treated |
| carcinoma | also known as CA or Ca, is a malignant tumor that occurs in epithelial tissue (carcin means cancer and oma means tumor). Epithelial tissue covers the internal and external sur¬faces of the body |
| cervical lymph nodes | are located in the neck |
| complement | is a complex series of proteins that circulate in normal serum. They are acti¬vated on contact with an antigen and aid the antibod¬ies by puncturing the cell membrane of the antigen. |
| cytomegalovirus | also known as CMV, is an infection caused by a group of large herpes-type viruses with a wide variety of disease effects. |
| cytotoxic | kills or damages cells (cyto means cell, tox means poison, and ic means pertaining to). It is used as an immunosuppressant and as an antineoplastic |
| ductal carcinoma in situ DELISA | also known as DCIS, is breast cancer at its earliest stage (stage 0) before the cancer has broken through the wall of the duct. At this stage the cure rate is nearly 100%. |
| herpes zoster | also known as shingles or HZ, is an acute viral infection characterized by painful skin eruptions that follow the underlying route of the inflamed nerve. This inflammation, which is caused by the chickenpox virus that remained dor¬mant in a nerve, is reactivated years later when the immune system is compromised. |
| Hodgkin's disease | also known as Hodgkin's lymphoma or HL, is distinguished by the presence of Reed-Sternberg cells. These are large can¬cerous lymphocytes that are identified by microscopic examination of a biopsy specimen taken from an enlarged lymph node. |
| human immunodeficiency virus | also known as HIV (pronounced H-I-V), is a blood borne pathogen that invades and then progressively impairs or kills cells of the immune system. |
| immunodeficiency disorder | is a condition that occurs when one or more parts of the immune system are deficient or missing. |
| immunoglobulin | also known as immune serum, are used as a postexposure preventive measure against certain viruses including rabies and some types of hepatitis. |
| immunologist | is a specialist in the study ,diagnosis, and treatment of disorders of the immune system |
| immunosuppressant | is a drug that prevents or reduces the body's normal reactions to invasion by disease or by foreign tissues. Immunosuppressants are used to prevent the rejection of donor tissue or to depress autoimmune disorders. |
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