(n.) The state or quality of being achromatic; as, the achromatism of a lens; achromaticity.
Example Sentences:
(1) When achromatic lesions were excluded from the analyses, these differences were not found.
(2) A dose-dependent increase in chromatid lesions, i.e., achromatic lesions, chromatid breaks, chromatid deletions and triradial or quandriradial chromosomal exchange fiqures, was found.
(3) Targets were presented on a low photopic achromatic background, so that the red and green targets differed from the background both in intensity and in wavelength, whereas the achromatic target differed in intensity only.
(4) Stimulus parameters were selected to isolate the chromatic and achromatic systems.
(5) We have examined the contribution of these pathways to achromatic visual capacities by behaviorally testing spatio-temporal vision in monkeys with severe damage to the P beta (medium cell) pathway.
(6) We conclude that, for stimuli of either achromatic or chromatic contrast, peripheral spatial resolution is limited by post-receptoral mechanisms.
(7) Patients with high-tension glaucoma showed significant losses in both chromatic and achromatic sensitivities when compared with low-tension glaucoma patients.
(8) For MWS and LWS cone isolation we used a 15 Hz flickering test light to isolate the achromatic channel, and we modelled the resulting spectral sensitivity functions as a linear sum of LWS and MWS input.
(9) Photopically equivalent achromatic and long-wavelength adapting fields induced comparable increases in flicker ERG amplitude, while scotopically equivalent adapting fields had considerably different effects.
(10) The spectrum of damage observed for both cell types was primarily achromatic lesions affecting one or both chromatids.
(11) Similarities were found between the post-receptoral properties of these achromats and the properties of the isolated blue mechanism of normal vision and also the properties of normal luminance contrast processing in general.
(12) The achromatic epithelial cells (AEC), whose cellular materials remain unstained by several stains, e. g., H.E, PAS, Alcian blue, Orange G Anilin blue and Mucicarmin, are detected in the intestinal mucous epithelium of the Iar: Wistar Imamichi rat from the 19th day of gestation to the 21st day after birth.
(13) This is This is attributed to disturbances of the achromatic apparatus that occur with increasing age.
(14) We measured both the wavelength of the spectral achromatic point over a large range of intensities and yellow-blue hue-cancellation functions over the full spectrum and at several luminance levels in protanopes and deuteranopes.
(15) The present observations provide evidence for a visual pathway in human cortex homologous to the magnocellular pathway in macaque, a pathway involved in processing the low-contrast, achromatic, and moving components of visual stimuli.
(16) As illumination level increased, the ability to discriminate wavelength differences deteriorated for the blue cone monochromats, whereas, for the deutan achromats, wavelength discrimination remained relatively constant even near 100,000 scotopic trolands.
(17) The interocular transfer of low-frequency adaptation in the achromat was 50%, which is the same value obtained at higher frequencies.
(18) Our results can be explained in terms of a low-frequency band that represents the opponent-color response, and a high-frequency band that represents the achromatic response.
(19) As a visual device, it permits easy identification of a set of achromatic fringes that can be seen in any two-beam interferometer when a white-light source is observed through it.
(20) In all patients melanocarcinoma was IV-V degree according to Crark as in 2 women it was pigmented, but in 2 women--achromatic.
Color
Definition:
(n.) A property depending on the relations of light to the eye, by which individual and specific differences in the hues and tints of objects are apprehended in vision; as, gay colors; sad colors, etc.
(n.) Any hue distinguished from white or black.
(n.) The hue or color characteristic of good health and spirits; ruddy complexion.
(n.) That which is used to give color; a paint; a pigment; as, oil colors or water colors.
(n.) That which covers or hides the real character of anything; semblance; excuse; disguise; appearance.
(n.) Shade or variety of character; kind; species.
(n.) A distinguishing badge, as a flag or similar symbol (usually in the plural); as, the colors or color of a ship or regiment; the colors of a race horse (that is, of the cap and jacket worn by the jockey).
(n.) An apparent right; as where the defendant in trespass gave to the plaintiff an appearance of title, by stating his title specially, thus removing the cause from the jury to the court.
(v. t.) To change or alter the hue or tint of, by dyeing, staining, painting, etc.; to dye; to tinge; to paint; to stain.
(v. t.) To change or alter, as if by dyeing or painting; to give a false appearance to; usually, to give a specious appearance to; to cause to appear attractive; to make plausible; to palliate or excuse; as, the facts were colored by his prejudices.
(v. t.) To hide.
(v. i.) To acquire color; to turn red, especially in the face; to blush.
Example Sentences:
(1) Using an in vitro culture system, light scatter analyses, and two-color flow cytometry, we provide evidence that the interleukin-2 (IL-2) and transferrin receptors can be induced within 48 hr on nonproliferating immature thymocytes.
(2) A sensitive color reaction after two-dimensional TLC described earlier for zeranol determination in veal samples is proposed for the detection of the zeranol metabolite zearalanone and the mycotoxin zearalenone.
(3) Experiment 3 showed that the color-induced increase in odor intensity is not due to subjects' preexperimental experience with particular color-odor combinations, because the increase occurred with novel ones.
(4) In 60 rhesus monkeys with experimental renovascular malignant arterial hypertension (25 one-kidney and 35 two-kidney model animals), we studied the so-called 'hard exudates' or white retinal deposits in detail (by ophthalmoscopy, and stereoscopic color fundus photography and fluorescein fundus angiography, on long-term follow-up).
(5) Urinalysis revealed a low pH, increased ketones and bilirubin excretion, dark yellowish change in color, the appearance of "leaflet-shaped" crystals and increased red blood cells and epithelial cells in the urinary sediment, increased water intake, decreased specific gravity and decreased sodium, potassium and chloride in the urine.
(6) Contrary to previous reports, approximately 20% of the neurons in V3 were color selective in terms of showing a severalfold greater response to the best monochromatic wavelength compared with the worst.
(7) By using various colors, it is possible to tattoo a nipple-areola complex onto the breast that will have an illusion of projection.
(8) A semiautomated colorimetric assay (MTT assay), based on the ability of live cells to reduce a tetrazolium-based compound, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT), to a purplish colored formazan product that can be measured spectrophotometrically, has recently been adapted for use in drug sensitivity analysis of cultured human tumor cell lines.
(9) Fifty-one severely retarded adults were taught a difficult visual discrimination in an assembly task by one of three training techniques: (a) adding and reducing large cue differences on the relevant-shape dimension; (b) adding and fading a redundant-color dimension; or (c) a combination of the two techniques.
(10) Estimated by SSST, the FAFol, which employs the stool with the highest content of 51Cr corresponding to the most carmine-colored stool, correlated closely with the FAFol based on complete stool collection (r = 0.96, n = 39, p less than 0.0001).
(11) As for fish attractiveness, motion, freshness, size, color and species were found as important parameters in the food-preference mechanism.
(12) Although the lens did not alter stereopsis, it did produce severe color discrimination losses for normal and dichromatic subjects.
(13) The respiratory functions of the oropharynx, larynx, and trachea of normal human fetuses in utero were explored by means of real-time, two-dimensional ultrasonography combined with color-flow and spectral Doppler analysis.
(14) A precise record of gingival color helps to follow-up oral and systemic diseases.
(15) Duplex and color Doppler sonography have become indispensable for evaluating the major vessels of the abdomen.
(16) The colors of mixtures of dental opaque porcelains and modifiers were measured with use of the CIE L*a*b* uniform color space.
(17) It appears, therefore, that the aggregation and dispersion of pigment within the melanophores is the primary mechanism responsible for the changes in color of this species.
(18) This section includes a description of the presentations on the pages, the use of color in the scans, and the use of certain advanced features of the ACTA-Scanner, the scanner used for the atlas.
(19) The use of the pellet binder "Lingnosol FG" in broiler diets at three levels plus a control group revealed differences in the consistency, quantity and color of the caecal contents between the treated and untreated groups.
(20) It was concluded that visualization of the intracranial venous system with color Doppler US is possible in the majority of healthy neonates.