What's the difference between achromatic and colour?

Achromatic


Definition:

  • (a.) Free from color; transmitting light without decomposing it into its primary colors.
  • (a.) Uncolored; not absorbing color from a fluid; -- said of tissue.

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.

Colour


Definition:

  • (n.) See Color.

Example Sentences:

  • (1) A similar interference colour appeared after incubating sections of rat skin with chymase.
  • (2) What we’re doing is designed to improve people’s lives.” "I don't see race, colour or creed, and neither do my children," he added.
  • (3) They retained the ability to make this discrimination when the coloured stimuli were placed against a background bright enough to saturate the rods.3.
  • (4) Mendl's candy colours contrast sharply with the gothic garb of our hero's enemies and the greys of the prison uniforms – as well as scenes showing the hotel later, in the 1960s, its opulence lost beneath a drab communist refurb.
  • (5) On 17 December Clegg will set out his own script for the year ahead, testing the idea that coalition governments can function even as the two parties clearly show their separate colours.
  • (6) The Brandenburg Gate was lit up in the colours of the German flag.
  • (7) In his notorious 1835 Minute on Education , Lord Macaulay articulated the classic reason for teaching English, but only to a small minority of Indians: “We must do our best to form a class who may be interpreters between us and the millions whom we govern; a class of persons, Indians in blood and colour, but English in taste, in opinions, in morals and in intellect.” The language was taught to a few to serve as intermediaries between the rulers and the ruled.
  • (8) Bound biocytinyl-E2 is detected after binding of streptavidin-peroxidase and colour production by the enzyme.
  • (9) Significant biases in the distribution of cases of babesiosis were found with regard to season (P < 0,05), sex (P < 0,001) and coat colour (P < 0.01).
  • (10) In order to map the mental state in the early puerperium the authors gave to a group of 100 women for five days after delivery Lüscher's colour test.
  • (11) Trichophytosis (T. equinum) is characterized as typical numerous small and round patches, covered by small, bran-like, asbestos-coloured scales.
  • (12) Malvidin chloride (MC) a colouring agent from flowers of Malvaviscus conzattii Greenum was studied for male anti-fertility effects in adult langur monkeys (Presbytis entellus entellus Dufresne).
  • (13) The conclusion is to warn the orthopaedic surgeons to look carefully what model is behind the pretty coloured results.
  • (14) His bracelets and his hair, neatly gathered in a colourful elasticated band, contrast with his unflashy day-to-day uniform of checked shirts, jeans or cheap chinos and trainers.
  • (15) Blunt homicide predominated amongst White females, who were substantially older than the Coloured and African subjects.
  • (16) Variation of scrotal colour was not due to changes in melanocyte number or dispersion of melanosomes.
  • (17) Most striking finding was his difficulty in identifying common objects and colours along with a profound alexia.
  • (18) In three the diagnosis was only suspected when the colour Doppler study showed dilated intraseptal and epicardial vessels and an abnormal flow signal into the pulmonary artery in diastole; this latter signal localised the exact site of communication, which was not apparent on angiocardiography.
  • (19) The verbal coding and recognition of colours of a group of chronic schizophrenics and their normal controls were investigated.
  • (20) Scott insisted he was an abstract painter in the way he felt Chardin was too: the pans and fruit were uninteresting in themselves; they were merely "the means of making a picture", which was a study in space, form and colour.

Words possibly related to "achromatic"