(n.) An instrument for measuring the area of any plane figure, however irregular, by passing a tracer around the bounding line; a platometer.
Example Sentences:
(1) Left ventricular cavity and muscle areas of each image were planimetered with a light-pen system and summated for volume: total volume = sigma (areas x 3 mm).
(2) A comparative study of roentgenograms of the paranasal sinuses between 37 patients with cleft lip and palate and 37 control subjects of the same age group was done using a planimeter.
(3) A planimeter was used to measure total vessel, plaque, thrombus, and luminal cross-sectional areas at the site of plaque rupture with thrombosis in sections projected at 13.8 power magnification.
(4) Techniques for determining stone surface area include use of graph paper, planimeter or computerized image analysis.
(5) The postpneumonectomy pleural space (PS), thoracic space of the operated site (TS) and the thoracic space of the non-operated site (CTS) were measured at 3 slice levels of the brachiocephalic level, subcarinal level and lower pulmonary vein level, using a digital planimeter.
(6) By application of of Jacobj's linear method and Lange's curvimeter-planimeter method, these approximation formulas are used to calculate the surface areas with identical semi-axis and diameter values being inserted, and the results are compared with each other and the true values.
(7) Fragments of formalin-fixed, paraffin-embedded tissue were re-embedded in plastic, sectioned at 1 micron, stained with methylene blue, and studied with a Zeiss-Kontron MOP-3 microprocessor-assisted planimeter.
(8) The glottal waveforms measured by sonic-sensing pen tracing, cursor outlining, a photocell technique, and television camera scanning are presented and compared with the conventional polar planimeter method.
(9) The weight of each slice was calculated by multiplying the planimetered surface area of the LV myocardium by slice thickness and by myocardial specific gravity (1.05).
(10) A simple method for quantifying the cells adhering to frozen sections of mouse spleen using a microscope equipped with a drawing tube attachment, and a planimeter is described.
(11) A computing planimeter was employed to count the total number of neurons and measure the volume of the LC, neuronal cross-sectional area, and percent of neuronal area occupied by neuromelanin in the brains of 39 subjects; 13 "normative", 15 leucotomized schizophrenic (most had died in the preneuroleptic era), and 11 leucotomized non-schizophrenic control patients, ranging in age from 11 to 94 years.
(12) The integrator-derived values for WOB correlated well with planimeter-derived values (r = 0.97).
(13) A planimeter was used to measure artery, plaque, thrombus and luminal cross-sectional area at the site of plaque rupture with thrombosis in sections projected at x13.8 magnification.
(14) The area of open wound remaining was measured with a planimeter, and the rate of healing was plotted for each.
(15) Video fields were planimetered for epicardial ventricular cross-sectional area and ventricular pressure.
(16) Each aorta was processed blindly by four pathologists and a computerized planimeter to determine normal areas, sudanophilic areas and areas covered by plaques.
(17) The areas of MFD were measured by a polar planimeter and correlated with the involved wall, the total slice area, parietal widths and involved muscles.
(18) Areas of paradoxical motion and inward motion were planimetered in each quarter of ejection.
(19) After tracing each wound on transparency film, wound area was calculated by (1) multiplying length and width measurements with a ruler, (2) placing the transparency film over graph paper and counting the squares, (3) using a planimeter, and (4) using a digitizer.
(20) The areas of subretinal neovascularization and scotomata are measured in square millimeters with a planimeter.
Planimetric
Definition:
(a.) Alt. of Planimetrical
Example Sentences:
(1) To quantify the size of the lesion in mice, the area of the infarct on the brain surface was assessed planimetrically 48 h after MCA occlusion by transcardial perfusion of carbon black.
(2) Atherosclerotic plaque intensity at 12 weeks, measured planimetrically, averaged 85.5% in HFD-fed animals vs 33.7% in pollen extract-treated rabbits.
(3) The inner and outer cerebrovascular spaces visualized by CT were measured planimetrically in 34 patients (6 men, 28 women; mean age 70.7 years) with senile depression.
(4) The planimetric area in the forward flow channel depends on the foetal intravillous blood volume.
(5) Serial sections of the whole seizure focus were evaluated in the light microscope, and the areas of protein extravasation were measured planimetrically.
(6) After repeated exeresis, the planimetric quantification of the wounds, by episcopic projection, shows that the healing process involves an immediate phase of dilatation followed by another of contraction.
(7) The size of myocardial infarctions following coronary artery occlusion in the rat was determined directly by measurement of creatine phosphokinase activity in homogenized whole left ventricles and by planimetric measurement of the area of the infarctions in histologic sections of serial slices of the left ventricles.
(8) This method avoids the difficulty of visual definition of ventricular borders in planimetric measurements.
(9) In the rat model infarct volume was determined 48 h after MCA occlusion by planimetric analysis and subsequent integration of the infarct areas on serial coronal slices.
(10) The planimetric measurements of the ultrasonic image that determined the size of the flank organ, with a reproducibility of about 10%, highly correlated with the measurements of histological sections.
(11) Computer-assisted planimetric computed tomography measurements showed that patients with misidentification syndromes had significantly larger right anterior horn areas of the lateral ventricle and significantly larger left anterior brain areas than did patients without such symptoms.
(12) Using planimetric analysis of stereoscopic optic disk photographs, we studied 21 optic nerve heads of 11 subjects who shared the common feature of optic cups that were larger than the mean + 2 S.D.
(13) Pathognomonic volumetric and planimetric cardiometric criteria were found.
(14) Standard histochemical assays were performed, and muscle fiber cross-sectional area was determined planimetrically.
(15) A method for planimetric measurement of areas of standardized dorsoventral projections of embryonal limbs was elaborated.
(16) Following infusion of 200 ml of Iopamidol for 1 hour the propagation of extravasated contrast medium around different types of 12 brain tumours was examined and imaged via CT. Increasing volume of expanding peritumoural contrast enhanced brain tissue was measured by integrating volumes of planimetrically measured enhanced area on CT slice of 0.5 cm in thickness.
(17) This effect could be substantiated planimetrically.
(18) Instead of the usual descriptive criteria commonly adopted for angiographic assessment of hydrostatic hydrocephalus, planimetric measuring methods were tried out.
(19) Using three radiographic standard projections, computerised planimetric analysis and cephalometric studies helped to explain radiological opacity in 26 patients.
(20) Planimetric measurements were performed on micrographs of comparable cell sections (through nucleus and Golgi zone) for the determiniation of cell, nuclear, cytoplasmic, and mitochondrial area.