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germ or bud (combing verb)
blast/o
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germ or bud (suffix)
-blast
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color (combing verb)
chrom/o or chromat/o
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juice (combing verb)
chyl/o
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cell (combing verb)
cyt/o
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blood (combing verb)
hem/o or hemat/o
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safe (combing verb)
immun/o
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clear fluid (combing verb)
lymph/o
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form (combing verb)
morph/o
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bone marrow or spinal cord (combing verb)
myel/o
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eat or swallow (combing verb)
phag/o
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formation (combing verb)
plas/o
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a net (combing verb)
reticul/o
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spleen (combing verb)
splen/o
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clot (combing verb)
thromb/o
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thymus gland (combing verb)
thym/o
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AIDS
acquired immunodeficiency syndrome
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ALT
alanine aminotransferase (enzyme)
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AST
aspartate aminotransferase (enzyme(
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BMP
basic metabolic panel
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CMP
comprehensive metabolic panel
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-
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ESR
erythrocyte sedimentation rate
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-
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HIV
human immunodeficiency virus
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MCH
mean corpuscular (cell) hemoglobin
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MCHC
mean corpuscular (cell) hemoglobin concentration
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MCV
mean corpuscular (cell) volume
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PET
positron-emission tomography
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PMN
polymorphonuclear (leukocyte)
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PTT
partial thromboplastin time
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RBC
red blood cell; red blood count
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WBC
white blood cell; white blood count
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a drug that prevents clotting of the blood
anticoagulant
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a drug that stops the flow of blood within the vessel
hemostatic
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a drug that causes a narrowing of blood vessels, thereby decreasing blood flow
vasoconstrictor
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a drug that causes dilation of blood vessels, thereby increasing blood flow
vasodilator
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introduction of blood products into the circulation of a recipient whose blood volume is reduced or deficient in some manner
blood transfusion
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blood donated by and sorted for a patient for future personal use
autologous blood
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blood voluntarily donated by any person for transfusion to a compatible recipient
homologous blood
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transfusion of a specific blood component, such as packed red blood cells, platelets, or plasma
blood component therapy
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method of matching a donor's blood to the recipient by mixing a sample in a test tube to determine compatibility
cross-matching
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treatment of malignancies, infections, and other diseases with chemical agents to destroy selected cells or to impair their ability to reproduce
chemotherapy
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use of biologic agents to prevent or treat disease by stimulating the body's own defense mechanisms, as seen in the treatment of AIDS, cancer, or allergy
immunotherapy
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removal of plasma from the body with separation and extraction of specific elements followed by reinfusion
plasmapheresis
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transplantation of healthy bone marrow from a compatible donor to a diseased recipient to stimulate blood cell production
bone marrow transplant
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removal of a lymph node
lymphadenectomy
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incision into a lymph node
lymphadenotomy
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removal of possible cancer-carrying lymph nodes for pathologic examination
lymph node dissection
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removal of the spleen
splenectomy
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removal of the thymus gland
thymectomy
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liquid portion of the blood and lymph; contains water, proteins, and cellular components
plasma
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liquid portion of the blood that remains after clotting
serum
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red blood cell; transports oxygen and carbon dioxide
erythrocyte
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the protein-iron compound in erythrocytes that transports oxygen and carbon dioxide
hemoglobin
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white blood cell; protects the body from harmful invading substances
leukocyte
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a group of leukocytes containing granules in their cytoplasm
granulocytes
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a granular leukocyte, named for the neutral stain of its granules, that fights infection by swallowing bacteria
neutrophil
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another term for neutrophil, referring to the many segments in its nucleus
polymorphonuclear (PMN) leukocyte
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a granular leukocyte, named for the rose-colored stain of its granules, that increases in allergic and some infectious reaction
eosinophil
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a granular leukocyte, named for the dark stain of its granules, that brings anticoagulant substances to inflamed tissues
basophil
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a group of leukocytes without granules in their nuclei
agranulocyte
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an agranulocytic leukocyte that is active in the process of immunity; the three categories of lymphocytes are T cells, B cells, and natural killer cells
lymphocyte
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an agranulocytic leukocyte that performs phagocytosis to fight infections
monocyte
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thrombocytes; cell fragments in the blood that are essential for blood clotting
platelets
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primary gland of the lymphatic system, located within the mediastinum, that helps to maintain the body's immune response by producing T lymphocytes
thymus
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organ between the stomach and the diaphragm that filters out aging blood cells, removes cellular debris by performing phagocytosis, and provides an environment for lymphocytes to initiate immune responses
spleen
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fluid that is circulated through the lymph vessels
lymph
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microscopic vessels that draw lymph from tissues to the lymph vessels
lymph capillaries
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vessels that receive lymph from the lymph capillaries and circulate it to the lymph nodes
lymph vessels
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specialized lymph vessels in the small intestine that absorb fat into the bloodstream
lacteals
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white or pale yellow substance in lymph that contains fatty substances absorbed by the lacteals
chyle
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many small, oval structures that filter lymph from the lymph vessels; major locations include the cervical, axillary, and inguinal regions
lymph nodes
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collecting channels that carry lymph from the lymph nodes to the veins
lymph ducts
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receives lymph from the right upper part of the body
right lymphatic duct
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receives lymph from the left side of the head, neck, chest, abdomen, left arm, and lower extremities
thoracic duct
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process of disease protection induced by exposure to an antigen
immunity
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a substance that, when introduced into the body, causes the formation of antibodies against it
antigen
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a substance produced by the body that destroys or inactivates an antigen that has entered the body
antibody
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a long-lasting immunity that results from stimulating the body to produce its own antibodies; developed either naturally, in response to an infection, or artificially, in response to the administration of a vaccine
active immunity
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a short-lasting immunity that results from foreign antibodies that are convey either naturally, through the placenta to a fetus, or artificially, by injection of a serum containing antibodies
passive immunity
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presence of small red blood cells
microcytosis
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presence of large red blood cells
macrocytosis
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presence of red blood cells of unequal size
anisocytosis
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presence of large, irregularly shaped red blood cells
poikilocytosis
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an increased number of immature erythrocytes in the blood
reticulocytosis
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an abnormally reduced number of red blood cells
erythropenia
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an abnormally reduced number of lymphocytes
lymphocytopenia
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a decreased number of neutrophils
neutropenia
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an abnormally reduced number of all cellular components in the blood
pancytopenia
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an abnormally decreased number of platelets in the blood, impairing the clotting process
thrombocytopenia
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breakdown of the red blood cell membrane
hemolysis
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impaired immunologic defenses caused by an immunodeficiency disorder or by therapy with immunosuppressive agents
immunocompromised
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impaired ability to provide an immune response
immunosuppression
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enlarged lymph nodes
lymphadenopathy
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enlargement of the spleen
splenomegaly
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a syndrome caused by the human immunodeficiency virus that renders immune cells ineffective, permitting opportunistic infections, malignancies, and neurologic diseases to develop; transmitted sexually or through contaminated blood
acquired immunodeficiency syndrome (AIDS)
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a condition of reduced numbers of red blood cells, hemoglobin, or packed red cells in the blood, resulting in a diminished ability of red blood cells to transport oxygen to the tissues
anemia
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a normocytic-normochromic type of anemia characterized by the failure of bone marrow to produce red blood cells
aplastic anemia
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a microcytic-hypochromic type of anemia characterized by a lack of iron that affects the production of hemoglobin and is characterized by small red blood cells containing low amounts of hemoglobin
iron deficiency anemia
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a macrocytic-normochromic type of anemia characterized by an inadequate supply of vitamin B12, causing red blood cells to become large, varied in shape, and reduced in number
pernicious anemia
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any disorder characterized by abnormal function of immune system that causes the body to produce antibodies against itself, resulting in tissue destruction or loss of function; rheumatoid arthritis and lupus are examples
autoimmune disease
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a disorder that results from the incompatibility of a fetus with Rh-positive blood and a mother with Rh-negative blood, causing red blood cells destruction in the fetus; a blood transfusion is necessary to save the fetus
erythroblastosis fetalis
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presence or lack of antigens on the surface of red blood cells, which causes a reaction between Rh-positive blood and Rh-negative blood
Rh factor
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presence of antigens
Rh positive
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absence of antigens
Rh negative
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hereditary disorder with an excessive buildup of iron deposits in the body
hemochromatosis
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a group of hereditary bleeding disorder caused by a defect in clotting factors necessary for the coagulations of blood
hemophilia
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chronic or acute malignant disease of the blood-forming organs, characterized by abnormal leukocytes in the blood and bone marrow
leukemia
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disorder within the bone marrow characterized by a proliferation of abnormal stem cells; usually develops into a specific type of leukemia
myelodysplasia
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any neoplastic disorder of lymph tissue, usually malignant, as in Hodgkin disease
lymphoma
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process by which cancer cells are spread by blood or lymph circulation to distant organ
metastasis
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condition caused by the Epstein-Barr virus and characterized by an increase in mononuclear cells in blood along with enlarged lymph nodes, fatigue, and sore throat
mononucleosis
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increased number of erythrocytes and hemoglobin in the blood
polycythemia
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systemic disease caused by infection with microorganisms and their toxins in circulating blood
septicemia
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incision into or puncture of a vein to withdraw blood for testing
phlebotomy or venipuncture
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test of the fluid portion of blood to measure the amounts of its chemical consituents
blood chemistry
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specialized batteries of automated blood chemistry test performed on a single sample of blood; used as a general screen for disease or to target specific organs or conditions
blood chemistry panels
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battery of test used as a general screen for disease; includes test for calcium, carbon dioxide, chloride, creatinine, glucose, potassium, sodium, and blood urea nitrogen
basic metabolic panel (BMP)
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tests performed in addition to the basic panel for expanded screening: albumin, bilirubin, alkaline phosphatase, protein alanine aminotransferase and aspartate aminotransferase
comprehensive metabolic panel
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test to determine if infection is present in the blood stream by isolating a specimen of blood in an environment that encourages the growth of microorganisms; the specimen is observed, and the organisms that grow in the culture are identified
blood culture
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used in monitoring the course of HIV and in timing the treatment of AIDS; the normal adult range is 600 - 1500 cells in a given volume of blood
CD4 cell count
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timed test that measures the rate at which red blood cells settle through a volume of plasma
erythrocyte sedimentation rate (ESR)
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test to determine coagulation defects, such as platelet disorders
partial thromboplastin time (PTT)
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substance present in tissues, platelets, and leukocytes that is necessary for coagulation
thromboplastin
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test to measure activity of prothrombin in the blood
prothrombin time (PT)
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protein substance in the blood that is essential to the blotting process
prothrombin
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a common laboratory blood test performed as a screen of general health or for diagnostic purposes and typically includes the component test that follow; test results are usually reported along with normal values so that the clinician can interpret the results based on the instrumentation used by the laboratory; normal ranges also may vary depending on the region and climate
complete blood count (CBC)
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a count of the number of white blood cells in a given volume of blood obtained via manual or automated laboratory methods
white blood count (WBC)
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a count of the number of red blood cells in a given volume of blood obtained via manual or automated laboratory methods
red blood count (RBC)
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a test to determine the blood level of hemoglobin
hemoglobin (HGB or Hgb)
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a measurement of the percentage of packed red blood cells in a given volume of blood
hematocrit (HCT or Hct)
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calculations of RBC, HGB, and HTC results to determine the average size, hemoglobin concentration, and content of red blood cells to classify an anemia
blood indices
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calculation of the volume of individual red blood cells using HCT and RBC results: HCT/RBC
mean corpuscular (cell) volume MCV
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calculation of the content of hemoglobin in the average red blood cell using HGB and RBC results: HGB/RBC
mean corpuscular (cell) hemoglobin MCH
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calculations of the average hemoglobin concentration in each red blood cell using HGB and HCT results: HGB/HCT
mean corpuscular (cell) hemoglobin concentration MCHC
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determination of the number of each type of white blood cell in a stained blood smear; each type is counted and reported as a percentage of the total examined
differential count
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as part of identifying and counting the white blood cells, the condition, size, and shape of red blood cells in the background of the smeared slide are noted
red cell morphology
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calculations of the number of thrombocytes in the blood; the normal adult range is 150,000-450,000 platelets in a given volume of blood
platelet count (PLT)
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needle aspiration of bone marrow tissue for pathologic examination
bone marrow aspiration
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pathologic examination of bone marrow tissue
bone marrow biopsy
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an x-ray image of lymph node or vessel obtained after injection of a contrast medium
lymphangiogram
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full body x-ray CT images are used to detect tumors and cancers such as lymphoma
computed tomography (CT)
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scanning techniques combining nuclear medicine and computed tomography technology to produce images of anatomy and metabolic function within the body; useful in determing the recurrence of cancers or to measure response to therapy; commonly used in evaluating lymphoma
positron-emission tomography (PET)
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