| CF | calcaneal fibular [ligament]; calcium leucovorin; calf blood flow; calibration factor; cancer-free; ... |
|---|---|
| CRM | Certified Reference Materials; counting rate meter; cross-reacting material; crown-rump measurement |
| FC | fasciculus cuneatus; fast component [of a neuron]; febrile convulsions; feline conjunctivitis; ferri... |
| LSC | late systolic click; left side colon cancer; left subclavian; lichen simplex chronicus; liquid scint... |
| RPI | Reticulocyte Production Index |
| RRL | Rabbit reticulocyte lysate |
|---|---|
| PACIA | Particle Counting ImmunoAssay |
| LSC | liquid scintillation counting |
| reticulocyte | <haematology> Immature red blood cells normally restricted to the bone marrow and present in the blood stream in very low numbers (0.2-2%). An increase in numbers indicates increased proliferation in the bone marrow, for example following chemotherapy. (09 Oct 1997) |
|---|---|
| reticulocyte count | Determination of the number of reticulocytes in a measured volume of blood. Values for reticulocytes are expressed as a percentage of the erythrocyte count or in the form of a so-called "corrected" reticulocyte "index". An increase in circulating reticulocytes, often referred to as reticulocytosis, is among the simplest and most reliable signs of accelerated erythrocyte production. Reticulocytosis, or an increased reticulocyte count, occurs during active blood regeneration (stimulation of red bone marrow) and in certain anaemias, particularly congenital haemolytic anaemia. (12 Dec 1998) |
| reticulocyte lysate | Cell lysate produced from reticulocytes, used as an in vitro translation sytem. (18 Nov 1997) |
| coin-counting | A sliding movement of the tips of the thumb and index finger, occurring in paralysis agitans. (05 Mar 2000) |
| whole-body counting | Measurement of radioactivity in the entire human body. (12 Dec 1998) |
| scintillation counting | Technique for measuring quantity of a radioactive isotope present in a sample. In biology, liquid scintillation counting is mainly used for emitters such as (14)C, (35)S and 32)P and particularly for the low energy emission of 3H. Gamma emissions are often measured by counting the scintillations that they cause in a crystal. Autoradiographic images can be enhanced by using a screen of scintillant behind the film. (18 Nov 1997) |
| Zappert counting chamber | A special, standardised glass slide used for counting cells (especially erythrocytes and leukocytes) and other particulate material in a measured volume of fluid; the central portion is precisely ground in such a manner that the uniformly flat surface is exactly 0.1 mm lower than that of two parallel ridges on which a special, uniformly flat coverslip may be placed; accurately etched lines on the flat central portion form the boundaries of groups of squares of known areas, thereby providing the basis for determining the volume of fluid in which the cells are counted. Glass slides of this type are frequently known as haemocytometers. (05 Mar 2000) |
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