cephalic index


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index

 (pl. indexes, in´dices) (L.)
1. the numerical ratio of measurement of any part in comparison with a fixed standard.
Barthel index an objective, standardized tool for measuring functional status. The individual is scored in a number of areas depending upon independence of performance. Total scores range from 0 (complete dependence) to 100 (complete independence).
bleeding index any of various methods of assessing bleeding in the gingival sulcus before or after treatment.
body mass index (BMI) the weight in kilograms divided by the square of the height in meters, a measure of body fat that gives an indication of nutritional status.
cardiac index cardiac output corrected for body size.
cephalic index 100 times the maximum breadth of the skull divided by its maximum length.
citation index an index listing all publications appearing in a set of source publications (e.g., articles in a defined group of journals) that cite a given publication in their bibliographies.
Colour index a publication of the Society of Dyers and Colourists 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 C.I. number, avoiding the confusion of trivial names used for dyes in the dye industry.
erythrocyte indices the mean corpuscular volume, mean corpuscular hemoglobin, and mean corpuscular hemoglobin concentration. These are all useful for evaluating anemias because they provide information on the size of the erythrocytes and the concentration of hemoglobin. Called also red cell or red blood cell indices.
glycemic index a ranking of foods based on the response of postprandial blood sugar levels as compared with a reference food, usually either white bread or glucose. See table.
left ventricular stroke work index (LVSWI) an index of the amount of work performed by the heart.
leukopenic index a fall of 1000 or more in the total leukocyte count within 1.5 hours after ingestion of a given food; it indicates allergic hypersensitivity to that food.
index Medicus a monthly publication of the national library of medicine in which the world's leading biomedical literature is indexed by author and subject.
opsonic index 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 individual infected by the microorganism, to the number phagocytized in serum from a normal individual.
phagocytic index any arbitrary measure of the ability of neutrophils to ingest native or opsonized particles determined by various assays; it reflects either the average number of particles ingested or the rate at which particles are cleared from the blood or culture medium.
red blood cell indices (red cell indices) erythrocyte indices.
refractive index the refractive power of a medium compared with that of air (assumed to be 1).
short increment sensitivity index (SISI) a hearing test in which randomly spaced, 0.5-second tone bursts are superimposed at 1- to 5-decibel increments in intensity on a carrier tone having the same frequency and an intensity of 20 decibels above the speech recognition threshold.
therapeutic index 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.

ce·phal·ic in·dex

the ratio of the maximal breadth to the maximal length of the head, obtained by the formula: (breadth × 100)/length.

cephalic index

n.
The ratio of the maximum width of the head to its maximum length, multiplied by 100.

ce·phal·ic in·dex

(sĕ-falik indeks)
The ratio of the maximal breadth to the maximal length of the head, obtained by the formula: (breadth × 100)/length.
Synonym(s): length-breadth index.

cephalic index

an anthropological measurement obtained by dividing the maximum head width by the maximum length (back to front) and expressing it as a percentage.

The ratios of one index to another vary between populations and have been used in studies of race.

ce·phal·ic in·dex

(sĕ-falik indeks)
Ratio of maximal breadth to maximal length of the head.
References in periodicals archive ?
The present investigation, in turn, studied the distance of the foramen reference point F from point A on the anterior margin of the ramus (F-A) associating it with the cephalic index and found mean values of 18.70 mm, 18.50 mm and 17.09 mm in doli-, meso- and brachycephalic specimens, respectively, with brachycephalic measurements bearing statistical significance as smaller than doli- and mesocefalic ones (Table II).
The categorization of the head with regard to the horizontal cephalic index (Table II) shows that the majority of the treated population (male entities 51,9% and female entities 46.1%) belonged to the group with short head (brachiocephalic type).
Head shape Cephalic index (CI) range (%) Dolichocephalic CI < 74.9 Mesochepalic 75 < CI < 79.9 Brachycephalic 80 < CI < 84.9 Hyperbrachycphalic 85 < CI < 89.9 and CI < 89.9 The data for each person was recorded in a special form and then analyzed by EPI6.
The mean cephalic index of Eastern Odisha population was 77.89 with SD [+ or -] 3.31.
In the present study the cephalic index showed that, majority of the Chakma females were hyperbrachycephalic (very short and broad head) followed by brachycephalic (short and broad head).
The cephalic index of the male (155.4) was significantly different from the female (143.3) ([t.sub.29] = 4.61, P < 0.001).
To determine the cephalic index (CI), a spreading cranial calipers (GPM Instruments, Switzerland) was used to measure the euryon-to-euryon distance divided by the distance from glabella to opisthocranium.
The purpose of our study was to provide a baseline data for Cephalic Index in different endogamous groups and to observe sexual dimorphism, if any in the region around Patiala in Punjab.
Background: Study of an individual's cephalic length, cephalic breadth and cephalic index is useful in clinical practice, forensic medicine, anthropology and genetic study.