| RA | 1) Refractory Anemia 2) Rheumatoid Arthritis ? Arthritis 3... |
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| RA | radioactive; ragocyte; ragweed antigen; rapidly adapting [receptors]; reactive arthritis; reciprocal... |
| SECRET | stiffness of joint, elderly individuals, constitutional symptoms, arthritis, elevated erythrocyte se... |
| DFD | defined formula diets; developmental field defect; diisopropyl phosphorofluoridate |
| EMF | electromagnetic flowmeter; electromotive force; Emergency Medicine Foundation; endomyocardial fibros... |
| genomic formula | <molecular biology> The method used to identify the number of sets of chromosomes within a cell or organism (i.e. Its ploidy). Each set is designated n so one set is n is haploid, two sets is 2n is diploid, three sets is 3n is triploid, four sets is 4n is tetraploid, etc. Also, 2n+1 is known as trisomy (i.e. Two full sets plus a third copy of one of the chromosomes). (09 Oct 1997) |
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| vertebral formula | A formula indicating the number of vertebrae in each segment of the spinal column; for man it is C. 7, T. 12, L. 5, S. 5, Co. 4 = 33, the letters standing for cervical, thoracic, lumbar, sacral, and coccygeal. (05 Mar 2000) |
| Meeh-Dubois formula | A formula for predicting surface area, assuming that it is proportional to the 2/3 power of the body weight. Synonym: Meeh formula. (05 Mar 2000) |
| Meeh formula | A formula for predicting surface area, assuming that it is proportional to the 2/3 power of the body weight. Synonym: Meeh formula. (05 Mar 2000) |
| Reuss' formula | A means of estimating the approximate amount of albumin in a transudate or exudate; 3/8 (sp. Gr. -1.000) -2.8 results in a value that is a practicable indication of the percentage of albumin in the fluid. (05 Mar 2000) |
| Gorlin formula | A formula for calculating the area of the orifice of a cardiac valve, based on flow across the valve and the mean pressures in the chambers on either side of the valve. (05 Mar 2000) |
| chemical formula | <chemistry> A represention of the elemental composition of a species, subscripts are used to indicate the relative numbers of atoms of each kind of element present. (09 Oct 1997) |
| graphic formula | A formula in which the connections of the atoms and groups of atoms, as well as their kind and number, are indicated. Synonym: constitutional formula, graphic formula. (05 Mar 2000) |
| Christison's formula | A formula to determine the number of grams of urinary solids per liter, obtained by multiplying 2.33 by the last two figures of the specific gravity of the urine. Synonym: Christison's formula, Trapp's formula, Trapp-Haser formula. (05 Mar 2000) |
| Runeberg's formula | A formula for estimating the percentage of albumin in a serous fluid, similar to Reuss' formula except that, instead of 2.8, 2.73 is subtracted in the instance of a transudate, and 2.88 in that of an inflammatory exudate. (05 Mar 2000) |
| molecular formula | In chemistry, a formula indicating the kind and number of atoms in the molecules of a substance, or its composition, but not the relation of the atoms to each other or the intimate structure of the molecule. Synonym: molecular formula. (05 Mar 2000) |
| Pignet's formula | See: Black's formula. (05 Mar 2000) |
| constitutional formula | A formula in which the connections of the atoms and groups of atoms, as well as their kind and number, are indicated. Synonym: constitutional formula, graphic formula. (05 Mar 2000) |
| Poisson-Pearson formula | A formula to determine the statistical error in calculating the endemic index of malaria: let N = total number of children under 15 years in a locality; n = total number examined for the spleen-rate; x = number found with enlarged spleen; (x/n)100 = spleen-rate; e% = percentage of error; the percentage error will be, by this formula: (05 Mar 2000) |
| Hamilton-Stewart formula | Formula to calculate cardiac output after intravenous indicator dye injection; blood flow in liters per minute is given by dividing the amount of injectant in milligrams by the product of the average dye concentration in the initial curve of the dye concentration sampled at a given point in the circulation and multiplied by the dose of dye (in milligrams) to write the curve from appearance to disappearance (in the absence of any recirculation). Synonym: Hamilton-Stewart formula, Stewart-Hamilton method. (05 Mar 2000) |