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MedTerm 9
Blood, Lymphatic, and Immune Systems
| Term | Definition |
|---|---|
| blood | body tissue composed of formed elements suspended in plasma |
| formed elements | erythrocytes, leukocytes, platelets |
| plasma | water, proteins, gases, nutrients, and salts |
| erythrocytes (RBCs) | contain hemoglobin |
| Leukocytes (WBCs) | provide for body protection and defense |
| platelets (thrombocytes) | cell fragments, possess the ability to control bleeding |
| lymphatic system | network of vessels that drain excess fluid from tissue spaces and return it to the blood, maintains the cells that defend the body against disease causing agents |
| immune system | protects the body against disease causing organisms |
| aden/o | gland |
| agglutin/o | clumping, gluing |
| blast/o | embryonic cell |
| chrom/o | color |
| erythr/o | red |
| granul/o | granule |
| hem/o, hemat/o | blood |
| immun/o | immune, immunity, safe |
| leuk/o | white |
| lymph/o | lymph |
| lymphaden/o | lymph gland (node) |
| lymphangi/o | lymph vessel |
| morph/o | shape, form, structure |
| myel/o | bone marrow, spinal cord |
| nucle/o | nucleus |
| phag/o | swallowing, eating |
| poikil/o | varied, irregular |
| ser/o | serum |
| sider/o | iron |
| splen/o | spleen |
| thromb/o | blood clot |
| thym/o | thymus gland |
| -blast | embryonic cell |
| -globin | protein |
| -penia | decrease, deficiency |
| -phil | attraction for |
| -phylaxis | protection |
| -poiesis | formation, production |
| -stasis | standing still |
| aniso- | unequal, dissimilar |
| iron deficiency anemia | decrease in RBCs caused by insufficient iron in the diet |
| pernicious anemia | caused by inadequate levels of vitamin B12 needed for RBC development |
| sickle cell anemia | RBCs take on an abnormal crescent shape, preventing them from passing through blood vessels |
| leukemia | malignancy of the bone marrow, proliferation of WBCs that are unable to carry on their normal function |
| lymphedema | abnormal accumulation fo fluid within tissues |
| capos sarcoma | malignancy of connective tissue, especially in the cells that line the lymph and blood vessels |
| systemic lupus erythematosus (SLE) | development of autoantibodies that attack the skin, joints, and other organs |
| thrombocytopenia | deficiency in the number of circulating platelets |
| disseminated intravascular coagulation (DIC) | abnormal activation of proteins involved in blood coagulation |
| apheresis | separates out a particular component of blood |
| plasmapheresis | apherisis that involves removal of plasma from the patient |
| blood transfusion | IV transfer of blood products to an individual |
| bone marrow transplant | replace damaged or destroyed bone marrow with healthy bone marrow stem cells |
| bone marrow aspiration | withdrawal of bone marrow for microscopic evaluation |
| sentinel node excision | removal of the first node receiving drainage from a tumor site and the one most likely to contain cancer cells |
| antibody | protective protein produced in response to a foreign substance |
| antigen | substance that stimulates formation of antibodies |
| immunocompitent | possessing the ability to develop an immune response |
| anticoagulants | prevent formation of clots |
| antifibrinolytics | prevent the breakdown of clots |
| antimicrobials | destroy bacteria, fungi, and protozoa |
| antiretrovirals | prevent replication of viruses |
| immunosuppressants | suppress the body's natural immune response |
| thrombolytics | dissolve blood clots |
Created by:
aleelyse
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