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62 Cards in this Set
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A decrease in the PCV, RBC count or hemoglobin values below normal values
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Anemia
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Variation in the size of cells
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Anisocytosis
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Cessation of blood cell formation
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Aplastic
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A free ruptured nucleus which has swollen so that seperated chromatin can be seen
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Basket Cell
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1. Increased numbers of basophils in circulation
2. Can also refer to the blue staining of a structure with a Romanowsky stain. |
Basophilia
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the layer of WBCs, platelets and nucleated RBCs (if present) that collects above the RBCs in sedimented or centrifuged blood
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Buffy coat
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small irregular blue-grey bodies in the cytoplasm of neutrophils.
Residual RNA. Considered a mild toxic change in most species. |
Doehle Body
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increased numbers of eosinophils in the blood
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Eosinophilia
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decreased numbers of eosinophils in the blood
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Eosinopenia
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the production of RBCs
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Erythropoiesis
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end product of the clotting mechanism forming a network of fibers
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Fibrin
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a precision instrument for manually counting cells
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Hemacytometer
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Red respiratory protein of RBC's that transport O2
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Hemoglobin
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a condition in which free hemoglobin is present in the plasma
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Hemoglobinemia
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destruction of RBCs
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Hemolysis
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a neutrophil with more than 5 lobes present in the nucleus
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Hypersegmented
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greater than isotonic concentration
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Hypertonic
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an adjective used to describe a RBC that shows a decrease in the density of hemoglobin present in the cell resulting in increased central pallor = pale
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Hypochromic/hypochromatic
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increased protein concentration in the blood
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Hyperproteinemia
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decreased protein concentration in the blood
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Hypoproteinemia
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less than isotonic concentration
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Hypotonic
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of unknown cause
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Idiopathic
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pyknosis and fragmentation of the nucleus
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Karyorrhexis
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neoplastic disease in which a significant number of blast cells are found
in the bone marrow & blood |
Leukemia
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resembles leukemia by having a marked leukocytosis or by having a lot of immature cells in the blood - not due to changes in the hematopoietic tissues however
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Leukemoid
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presence on an increased number of immature (non-segmented)neutrophils in the circulation
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Left shift
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increased numbers of circulating WBCs
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Leukocytosis
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decreased numbers of circulating WBCs
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Leukopenia
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increased numbers of lymphocytes in circulation
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Lymphocytosis
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decreased numbers of lymphocytes in circulation
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Lymphopenia/lymphocytopenia
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a RBC that has a diameter that is larger than normal
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Macrocyte
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an increased number of large RBCs
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Macrocytosis
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a large platelet; at least as large as a normal RBC
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Macroplatelet
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a tissue cell which has granules that contain histamine & heparin
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Mast cell
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- mean corpuscular hemoglobin concentration - the average hemoglobin saturation, i.e. colour of the RBCs in circulation
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MCHC
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- mean corpuscular volume
- the calculated average volume of the RBCs in circulation |
MCV
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a RBC with a diameter/volume which is smaller than normal
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Microcyte
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an increased number of small RBCs
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Microcytic
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decreased numbers of monocytes in circulation
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Monocytopenia
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increased numbers of monocytes in circulation
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Monocytosis
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anemia which results from the displacement of the narrow by abnormal cells/tissue
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Myelophthisic anemia
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decreased numbers of neutrophils in circulation
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Neutropenia
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increased numbers of neutrophils in circulation
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Neutrophilia
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RBC with normal hemoglobin saturation (MCHC)
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Normochromic
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see normochromic (another term)
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Normochromatic
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adjective used to describe a RBC of normal size (volume)
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Normocytic
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a decrease in all blood cell (RBC, WBC and platelet) lines
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Pancytopenia
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Clear yellowish fluid portion of the blood in which the cells are suspended.
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Plasma
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increased number of polychromatic RBCs (have a faint bluish tinge)
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Polychromasia
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increased RBC mass (PCV) in the body
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Polycythemia
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a condensation and reduction in the size of a cell
- sign of cell death |
Pyknosis
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an increase in reticulocytes in circulation
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Reticulocytosis
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presence of an increased number of hypersegmented neutrophils in circulation
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Right shift
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the rate at which RBCs settle in their own plasma in a given amount of time
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Sedimentation rate
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Clear yellowish fluid produced upon seperating whole blood into its solid and liquid components after clotting.
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Serum
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a platelet that is the size of a RBC and polychromatic
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Shift platelet
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a RBC which is twice the size of a normal RBC and polychromatic
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Shift red blood cell
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- a nucleated cell that was ruptured during smearing
- due to mechanical damage or increased fragility of cell - chromatin has not spread out in distinct strands (see "basket cell") |
Smudge cell
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use of a stain that has a low toxicity so that "vital and functional processes" can be studied in live cells, eg. New Methylene Blue
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Supravital staining
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decreased number of platelets (thrombocytes)
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Thrombocytopenia
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increased numbers of platelets (thrombocytes)
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Thrombocytosis
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neutrophil showing certain morphologic changes such as vacuolation,toxic granules, increased basophilia or nuclear changes
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Toxic neutrophil
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