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Related to color index: Color Rendering Index
An outmoded method of expressing the amount of hemoglobin present in each red cell.
See also: index
pl. indexes, indices [L.] the numerical ratio of measurement of any part in comparison with a fixed standard.
the first case of a disease in a group to be brought to the attention of the clinician.
a publication of the Society of Dyers and Colorists and the American Association of Textile Chemists and Colorists, containing an extensive list of dyes and dye intermediates. Each chemically distinct compound is identified by a specific number, the CI number, avoiding the confusion of trivial names used for dyes in the dye industry. The Royal Horticultural Society, London, produces a similar document to aid in the identification of flower colors.
see erythrocyte indices.
a monthly publication of the National Library of Medicine, in which the world's leading biomedical literature is indexed by author and subject.
a measure of opsonic activity determined by the ratio of the number of microorganisms phagocytized by normal leukocytes in the presence of serum from an animal infected by the microorganism, to the number phagocytized in serum from a normal animal.
the average number of bacteria ingested per leukocyte of the patient's blood.
a method of expressing production compared with a potential or target.
the refractive power of a medium compared with that of air (assumed to be 1).
originally, the ratio of the maximum tolerated dose to the minimum curative dose; now defined as the ratio of the median lethal dose (LD50) to the median effective dose (ED50). It is used in assessing the safety of a drug.
a periodic listing of all publications in the veterinary literature by the Commonwealth Agricultural Bureaux, United Kingdom. Also available on on-line data search.
the ratio of births to deaths within a given time in a population.