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Chap 8 Lab & Blood Stuff

This will help with the lab data. I don't think we're required to do this chapter. But looking over it, I thought it would help with some of the lab terminology.

blasto / blastgerm or bud
hemo / hematoblood
lymphoclear fluid
phagoeat or swallow
reticuloa net
thymothymus gland
plasmaliquid portion of the blood & lymph containing water, proteins, salts, nutrients, hormones vitamins, & cellular components (leukocytes, erythrocytes, & platelets)
serumliquid portion of the blood left after the clotting process
erythrocytered blood cell that transports oxygen & carbon dioxide within the bloodstream
hemoglobinprotein-iron compound contained in the erythrocyte that has bonding capabilities for the transport of oxygen & carbon dioxide
leukocytewhite blood cell that protects the body from invasion of harmful substances
granulocytesgroup of leukocytes containing granules in their cytoplasm
neutrophil (neutros)granular leukocyte, named for the neutral stain of its granules, that fights infection by swallowing bacteria
polymorphonuclear leukocyte (PMN)another term for neutrophil, named for the many segments present in its nucleus
bandan immature neutrophil
eosinophil (eos)granular leukocyte, named for rose-color stain of its granules that increases with allergy & some infections
basophil (basos)granular leukocyte, named for the dark stain of its granules, that brings anticoagulant substances to inflamed tissues
agranulocytesgroup of leukocytes w/o granules in their nuclei
lymphocyte (lymphs)agranulocytic leukocyte that is active in the process of immunity-there are 3 categories of lymphocytes: T cells (thymus dependent), B cells (bone marrow-derived), & NK (natural killer)cells
monocyte (monos)agranulocytic leukocyte that performs phagocytosis to fight infection
plateletsthrombocytes; cell fragments in the blood essential for blood clotting
immunityprocess of disease protection induced by exposure to an antigen
antigensubstance that, when introduced into the body, causes formation of antibodies against it
antibodysubstance produced by the body that destroys or inactivates an antigen that has entered the body
active immunityan immunity that protects the body against a future infection, as the result of antibodies that develop naturally after contracting an infection or artificailly after administration of a vaccine
macrocytosispresence of large red blood cells
microcytosispresence of small red blood cells
Rh factorpresence, or lack, of antigens on the surface of red blood cells that may cause a reaction between the blood of the mother & fetus; resulting in fetal anemia
Rh positivepresence of antigens
Rh negativeabsence of antigens
phlebotomy / venipunctureincision into or puncture of a vein to withdraw blood for testing
blood chemistrytest of the fluid portion of blood to measure the presence of a chemical constituent
biochemistry panel chem profile (BCP)battery of automated blood chemistry tests performed on a single sample of blood
sequential multiple analyzer (SMA)trade name of the instrument first used to perform automated blood chemistry testing; the abbreviation is sometimes used to identify a chemistry panel
blood culturetest to determine infection in the bloodsteram by isolating a specimen of blood in an environment that encourages the growth of microorganisma
erythrocyte sedimentation rate (ESR)timed test to measure the rate at which red blood cells settle or fall thru a given volume of plasma
partial thromboplastin time (PTT)test to determine coagulation defects such as platelet disorders
thromboplastinsubstance present in tissues, platelets, and leukocytes that is necessary for coagulation
prothrombin time (PT)test to measure activity of prothrombin in the blood
prothrombinprotein substances in the blood that is essential to the clotting process
complete blood count (CBC)one of the most common lab blood tests
white blood count (WBC)count of the number of white blood cells per cubic millimeter
red blood count (RBC)count of the number of red blood cells per cubic millimeter
hemoglobin (HGB or Hgb)test to determine the blood level of hemoglobin (expressed in grams)
hematocrit (HCT or Hct)a measurement of the percentage of packed red blood cells in a given volume of blood
blood indicescalculations of RBC, HGB, & HCT results to determine the average size, hemoglobin concentration, & content of red blood cells for classification of anemia
mean corpuscular (cell) volumecalculation of the volume of individual cells in cubic microns using HCT & RBC results: MCV = HCT / RBC
mean corpuscular (cell) hemoglobin (MCH)calculation of the content in weight of hemoglobin in the average red blood cells using HGB and RBC results: MCH = HGB / HCT
mean corpuscular (cell) hemoglobin concentration (MCHC)calculation of the average hemoglobin concentration in each red blood cell using HGB & HCT results: MCHC = HGB / HCT
differential countdetermination of the number of each type of white blood cells (leukocyte) seen on a stained blood smear
red cell morphologypart of identifying & counting of WBCs, the condition of the size & shape of the red blood cells in the background of the smeared slide is noted
platelet count (PLT)calculation of the number of thrombocyts in the blood; normal range 150,000-450,000/cubic millimeters
bone marrow aspirationneedle aspiration of bone marrow tissue for pathological exam
lymphangiogramx-ray image of a lymph node or vessel taken after injection of a contrast medium

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