| PSI | posterior sagittal index; problem solving information; prostaglandin synthetic inhibitor; psychologi... |
|---|---|
| RRI | recurrent respiratory infection; reflex relaxation index; relative response index |
| SFI | Sexual Function Index; Social Function Index |
| TBI | thyroid-binding index; thyroxine-binding index; tooth-brushing instruction; total-body irradiation; ... |
| TI | inversion time; temporal integration; terminal ileum; thalassemia intermedia; therapeutic index; tho... |
| stroke work index | A measure of the work done by the heart with each contraction, adjusted for body surface area; equal to the stroke volume of the heart multiplied by the arterial pressure and divided by body surface area; the normal stroke work index does not exceed 40 gram-meters per square meter. (05 Mar 2000) |
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| suitability index curve | Graph that depicts the suitability of a physical habitat variable for a fish species or life stage, often assumed to depict the species' or life stage's relative preference for values of the variable. (09 Oct 1997) |
| nucleoplasmic index | The quotient of the nuclear volume divided by the cytoplasmic volume. (05 Mar 2000) |
| Dean's fluorosis index | An index that measures the degree of mottled enamel (fluorosis) in teeth; used most often in epidemiological field studies. (05 Mar 2000) |
| superior facial index | The length of the face is measured from the nasion to the alveolar point: (nasialveolar length × 100)/bizygomatic width; for (05 Mar 2000) |
| def caries index | An index of past caries experience based upon the number of decayed, extracted, and filled deciduous (indicated by lower case letters) or permanent (indicated by capital letters) teeth. (05 Mar 2000) |
| degenerative index | The percentage of granulocytes that contain toxic granules in the cytoplasm, as compared with the total percentage of granulocytes. (05 Mar 2000) |
| dental index | Relation of the dental length (distance from the mesial surface of the first premolar to the distal surface of the third molar) to the basinasal (basion to nasion) length: (dental length ×100)/basinasal length, a system of numbers for indicating comparative size of the teeth. Synonym: Flower's dental index. (05 Mar 2000) |
| dental plaque index | An index which scores the degree of dental plaque accumulation. (12 Dec 1998) |
| df caries index | An index of past caries experience based upon the number of decayed and filled deciduous (indicated by lower case letters) or permanent (indicated by capital letters) teeth. Synonym: df, DF. (05 Mar 2000) |
| diversity index | <ecology> The relationship of the number of taxa (richness) to the number of individuals per taxon (abundance) for a given community. (09 Oct 1997) |
| dmf index | "decayed, missing and filled teeth," a routinely used statistical concept in dentistry. (12 Dec 1998) |
| dmfs caries index | An index of past caries experience based upon the number of decayed, missing, and filled surfaces of deciduous (indicated by lower case letters) or permanent (indicated by capital letters) teeth. (05 Mar 2000) |
| icterus index | The value that indicates the relative level of bilirubin in serum or plasma; calculated by comparing (in a colourimeter) the intensity of the colour of the specimen with that of a standard solution (potassium dichromate, 0.05 g, in 500 ml of water, plus 0.2 ml of sulfuric acid); the normal range is 3 to 5, and values greater than 15 are usually associated with clinically apparent jaundice; an index less than 3 is observed in various examples of secondary anaemia, aplastic anaemia, and chlorosis. Sometimes erroneously called icteric index: it is an index of jaundice, not a jaundiced index. (05 Mar 2000) |
| index | Origin: L., cf. F. Index. See Indicate, Diction. 1. That which points out; that which shows, indicates, manifests, or discloses. "Tastes are the indexes of the different qualities of plants." (Arbuthnot) 2. That which guides, points out, informs, or directs; a pointer or a hand that directs to anything, as the hand of a watch, a movable finger on a gauge, scale, or other graduated instrument. In printing, a sign used to direct particular attention to a note or paragraph; called also fist. 3. A table for facilitating reference to topics, names, and the like, in a book; usually alphabetical in arrangement, and printed at the end of the volume. 4. A prologue indicating what follows. 5. <anatomy> The second digit, that next pollex, in the manus, or hand; the forefinger; index finger. 6. <mathematics> The figure or letter which shows the power or root of a quantity; the exponent. [In this sense the plural is always indices] Index error, the error in the reading of a mathematical instrument arising from the zero of the index not being in complete adjustment with that of the limb, or with its theoretically perfect position in the instrument; a correction to be applied to the instrument readings equal to the error of the zero adjustment. Index expurgatorius. [L] See Index prohibitorius (below). Index finger. See Index. Index glass, the mirror on the index of a quadrant, sextant, etc. Index hand, the pointer or hand of a clock, watch, or other registering machine; a hand that points to something. <mathematics> Index of a logarithm, a catalogue of books which are forbidden by the church to be read; the index expurgatorius [L], or expurgatory index, is a catalogue of books from which passages marked as against faith or morals must be removed before Catholics can read them. These catalogues are published with additions, from time to time, by the Congregation of the Index, composed of cardinals, theologians, etc, under the sanction of the pope. Index rerum [L], a tabulated and alphabetized notebook, for systematic preservation of items, quotations, etc. Source: Websters Dictionary (01 Mar 1998) |