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Blood, Lymph, and Immune System
| Question | Answer |
|---|---|
| anaphylaxis | Exaggerated,life-threatening hypersitivity reaction to a previously encountered antigen. |
| antibody | Proteins that are the most inportant weapon of the immune system. |
| antigen | Substance that is recognized as harmful to the host and stimulates the formation of antibodies. |
| celluar immunity | Acquired specific resistance,mediated by T cells,that produces reactive substances or directly exerts a cytotoxic effect on a cell that is identified as harmful. |
| host | Organism in or on which anothe(usually parasitic)organism is nourished and harbored. |
| humoral immunity | Aquired specific resistance(B cells) that produces antibodies that bind to and dispose of antigens. |
| immunocompentent | Able to develop an immune response; able to recognize antigens and respond to them. |
| immunopathology | Study of disease associated with overreactivity or underreacitivity of the immune response. |
| opportunistic infection | Infection occurring in a person with a weakened immune system and caused by a microorganism that normally would not bring about the disease. |
| palliative treatment | Treatment that provides relief, but not a cure. |
| serum | Liquid portion of the blood that remains after the removal of fibrinogen. |
| aden/o | gland |
| agglutin/o | clumping,gluing |
| bas/o | base |
| blast/o | embryonic cell |
| chrom/o | color |
| eosin/o | dawn (rose colored) |
| erythr/o | red |
| granul/o | granule |
| hem/o hemat/o | blood |
| immun/o | immune,immunity,safe |
| kary/o nucle/o | nucleus |
| leuk/o | white |
| lymphaden/o | lymph gland |
| lymph/o | lymph |
| lymphangi/o | lymph vessel |
| morph/o | form,shape,structure |
| myel/o | bone marrow |
| neutr/o | neutral,neither |
| phag/o | swallowing,eating |
| plas/o | formation,growth |
| poikil/o | varied,irregular |
| reticul/o | net,mesh |
| sider/o | iron |
| ser/o | serum |
| splen/o | spleen |
| thromb/o | blood clot |
| thym/o | thymus gland |
| xen/o | foreign,strange |
| -blast | embryonic cell |
| -emia | blood condition |
| -globin | protein |
| -graft | transplantation |
| -osis | abnormal condition,increase (used primarily with blood cells) |
| -penia | decreased,deficiency |
| -phil | attraction for |
| -phoresis | carrying,transmission |
| -phylaxis | protection |
| -poiesis | formation,production |
| -stasis | standing still |
| a- | without,not |
| allo- | other,differing from the normal |
| aniso- | unequal,dissimilar |
| iso- | same,equal |
| macro- | large |
| micro- | small |
| mono- | one |
| poly- | many,much |
| anisocytosis | Condition of marked variation in the size of erythrocytes. |
| ascites | Accumulation of serous fluid in the peritoneal or pleural cavity. |
| bacteremia | Presence of viable bacteria circulating in the bloodstream,considered "travelers"rather than blood infection. |
| hemolysis | Destruction of RBC's with a release of hemoglobin that diffuses into the surrounding fluid. |
| hemostasis | Arrest of bleeding or circulation. |
| immunity | State of being protected against infection. |
| active immunity | Immunity developed as a consequence of exposure to an antigen. (vaccination injection) |
| passive immunity | Immunity in which antibodies formed in one individual are transfered to another.(to infant from mothers milk). |
| lymphadenopathy | Any disease of the lymph nodes. |
| lymphosarcoma | Malignant neoplasm disorder of lymphatic tissue. Non-Hodgkin disease. |
| septicemia | Blood infection |
| serology | Blood test to detect the presence of antibodies,antigens,immune substances. |
| titer | Blood test that measures the amount of antibodies in blood,commonly used as an indicator of immune status. |
| APTT activated partial thromboplastin time | Test that screens for deficiencies of some clotting factors,valuable for preop screening for bleeding tendencies. |
| blood culture | Test to determine the presence of pathogens in the bloodstream. |
| CBC complete blood count | Series of tests that include hemoglobin;hematocrit;RBC,WBC,and platelet counts;differential WBC count;RBC indices; and RBC and WBC morphology. |
| differential count | Test that enumerates the distribution of WBCs in a stained blood smear by counting the different kinds of WBCs and reporting each as a percent of the total examined. |
| ERS (sed rate) erythrocyte sedimentation rate | Measurement of the distance RBCs settle in 1 hour when whole blood is placed in a narrow tube. |
| HgB,Hb hemoglobin | Measurement of the amount of hemoglobin found in a whole blood sample. |
| Hct hematocrit | Measurement of the percentage of packed RBCs in a whole blood sample. |
| monospot | Serlolgical test performed on a blood sample to detect the presence of a nonspecific antibody. |
| PT prothrombin time | Test used to evaluate portions of the coagulation system and indirectly measure prothrombin. |
| RBC indices | Mathematical calculation of the size, volume and concentration of hemoglobin for an average red blood cell. |
| Schilling test | Test used to assess the absorption of radioactive vitamin B12 by the GI system. |
| lymphadenography | Radiographic exam of lymph nodes after injection of a contrast medium. |
| lymphangiography | Radiographic exam of lymph nodes or tissues after injection of contrast medium in the lymph vessels. |
| aspiration | Draw in or out using suction. |
| bone marrow aspiration | Procedure using a syringe with a thin aspirating needle that is inserted (usually the sternum or pelvic bone) to withdrawl a small sample of bone marrow fluid for microscopic evaluation. |
| biopsy | Representative tissue sample removed from a body site for microscopic exam and diagnosis. |
| sentinel node biopsy | Removal of the first lymph node(sentinal node)that receives drainage from cancer-containing areas and the one most likely to contain malignant cells. |
| bone marrow biopsy | Removal of a small core sample of tissue from bone marrow for exam under a microscope. |
| lymphangiectomy | Removal of a lymph vessel |
| transfusion | Injecting of blood or blood components into the bloodstream. |
| autologus transfusion | Transfusion prepared from recipient's own blood. |
| homologous transfusion | Transfusion prepared from another individual whose blood is compatible with that of the recipient. |
| transplation | Grafting of living tissue from its normal position to another site or from one person to another. |
| autologus bone marrow transplation | Harvesting,freezing,and reinfusing the patient's own bone marrow. |
| homologus bone marrow transplation | Transplantation of bone marrow from one individual to another. |
| AB,ab | antibodies |
| ABO | blood groups A,AB,B,and O |
| AIDS | acquired immunodeficiency syndrome |
| ALL | acute lymphocytic leukemia |
| AML | acute myelogenous leukemia |
| APTT | activated partial thromboplastin time |
| baso | basophil (type of WBC) |
| CBC | complete blood count |
| CLL | chronic lymphocytic leukemia |
| CML | chronic myelogenous leukemia |
| diff | differential count (WBCs) |
| EBV | Epstein-Barr virus |
| eos | eosinophil (type of WBC) |
| ESR, sed rate | erythrocyte sedimentation rate; sedimentation rate |
| Hb,Hgb | hemoglobin |
| HCT,Hct | hematocrit |
| HDN | hemolytic disease of the newborn |
| HIV | human immunodeficiency virus |
| Igs | immunoglobulins |
| ITP | idiopathic thrombocytopenia purpura |
| IV,I.V. | intravemous |
| lymphos | lymphocytes |
| MCH | mean corpuscular hemoglobin;mean cell hemoglobin |
| MCHC | mean cell hemoglobin concentration |
| MCV | mean cell volume |
| mL,ml | milliliters |
| PA | prenicious anemia |
| PCV | packed cell volume |
| poly,PMN,PMNL | polymorphonuclear leukocyte |
| PT | prothrombin time |
| PTT | partial thromboplastin time |
| RBC,rbc | red blood cell,red blood count |
| segs | segmented neutrophils |
| SLE | systemic lupus erythematosus |
| WBC,wbc | white blood cell,white blood count |
| graft rejection | Recipient's immune system attacks a transplanted organ or tissue resulting in its distruction. |
| GVHR graft-versus-host reaction | Condition that occurs following bone marrow transplants where the immune cells in the transplanted marrow produce antibodies against the host's tissue. |
| hematoma | Localized accumulation of blood,usually clotted,in an organ,space,or tissue due to a break in or severing of a blood vessel. |
| hemoglobinopathy | Any disorder caused by abnormalities in the hemoglobin molecule. |