What's the difference between pigment and white?

Pigment


Definition:

  • (n.) Any material from which a dye, a paint, or the like, may be prepared; particularly, the refined and purified coloring matter ready for mixing with an appropriate vehicle.
  • (n.) Any one of the colored substances found in animal and vegetable tissues and fluids, as bilirubin, urobilin, chlorophyll, etc.
  • (n.) Wine flavored with species and honey.

Example Sentences:

  • (1) The results also suggest that the dispersed condition of pigment in the melanophores represents the "resting state" of the melanophores when they are under no stimulation.
  • (2) Differences between the albino vs pigmented strains were observed following injections of saline.
  • (3) Two lectins, wheat germ agglutinin (WGA) and peanut agglutinin (PNA), were used to compare domains within the interphotoreceptor matrices (IPM) of the cat and monkey, two species where the morphological relationship between the retinal pigment epithelium (RPE) and photoreceptors is distinctly different.
  • (4) Uptake studies with 22Na were performed in cultured bovine pigmented ciliary epithelial cells, in order to characterize mechanisms of Na+ transport.
  • (5) CW Nd:YAG light transmitted by fiber optic cable and sapphire crystal was applied transsclerally to the ciliary body of pigmented and albino rabbits.
  • (6) The evolution and function of multiple forms of a given photosynthetic pigment in vivo are discussed.
  • (7) Changes in protein phosphorylation induced by phagocytic challenge were identified in cultured rat retinal pigment epithelium (RPE) following exposure to isolated rat rod outer segments (ROS) or to polystyrene latex microspheres (PSL).
  • (8) Both categories frequently showed pellagrous pigmentation and mucocutaneous signs of B-vitamin deficiency.
  • (9) We show that, in digitonin-permeabilized goldfish xanthophores, the pigment organelles can be induced to disperse by a combination of cAMP, ATP, and xanthophore cytosol.
  • (10) A red pigment produced by the actinomycete strain B 4358 was identified as butyl-meta-cycloheptylprodiginine (4) by 1H, 13C and correlation via long range coupling NMR spectra.
  • (11) Two unusual types of oral mucosal pigmentation are reported.
  • (12) These results are consistent with the idea that RPE pigment dispersion is triggered by a substance that diffuses from the retina at light onset.
  • (13) Rhabdomeres are substantially smaller and visual pigment is nearly eliminated when Drosophila are carotenoid-deprived from egg to adult.
  • (14) It is hypothesized that deposition of bilirubin in tissues takes place as an ongoing event, the deposited pigment being eliminated by bilirubin oxidase in healthy infants.
  • (15) The calculated separation between the centers of these two pigments (using an extended version of the exciton theory) is about 10 A, the pigments' molecular planes are tilted by about 20 degrees, and their N1-N3 axes are rotated by 150 degrees relative to each other.
  • (16) We have investigated enhancement of pigmentation in inbred C3H- mice using tail skin as a model for testing the effects of phosphorylated DOPA (DP) and ultraviolet radiation.
  • (17) Although mucocutaneous pigmentation was not present in two of the three patients, the features of intestinal polyposis are consistent with those of Peutz-Jeghers syndrome.
  • (18) Cytochromes b, c(555), possibly c(1), cytochrome oxidase, a carbon monoxide-binding pigment, and flavoproteins were detectable in the spectra of both intact cells and mitochondria.
  • (19) The addition of alcohol to the drinking-water resulted in the formation of stones rich in pigment.
  • (20) The total number of neuronal cell bodies was 25% lower in AIDS (P less than 0.01) than in 12 age-matched controls, although the volume density of neuronal melanin did not differ from that of controls because the percentage of pigmented cell bodies was higher (P less than 0.01) and the cell bodies were more fully packed with melanin in AIDS.

White


Definition:

  • (superl.) Reflecting to the eye all the rays of the spectrum combined; not tinted with any of the proper colors or their mixtures; having the color of pure snow; snowy; -- the opposite of black or dark; as, white paper; a white skin.
  • (superl.) Destitute of color, as in the cheeks, or of the tinge of blood color; pale; pallid; as, white with fear.
  • (superl.) Having the color of purity; free from spot or blemish, or from guilt or pollution; innocent; pure.
  • (superl.) Gray, as from age; having silvery hair; hoary.
  • (superl.) Characterized by freedom from that which disturbs, and the like; fortunate; happy; favorable.
  • (superl.) Regarded with especial favor; favorite; darling.
  • (n.) The color of pure snow; one of the natural colors of bodies, yet not strictly a color, but a composition of all colors; the opposite of black; whiteness. See the Note under Color, n., 1.
  • (n.) Something having the color of snow; something white, or nearly so; as, the white of the eye.
  • (n.) Specifically, the central part of the butt in archery, which was formerly painted white; the center of a mark at which a missile is shot.
  • (n.) A person with a white skin; a member of the white, or Caucasian, races of men.
  • (n.) A white pigment; as, Venice white.
  • (n.) Any one of numerous species of butterflies belonging to Pieris, and allied genera in which the color is usually white. See Cabbage butterfly, under Cabbage.
  • (v. t.) To make white; to whiten; to whitewash; to bleach.

Example Sentences:

  • (1) This study compares the mortality of U.S. white males with that of Swedish males who have had the highest reported male life expectancies in the world since the early 1960s.
  • (2) Cranial MRI revealed delayed myelination in the white matter but no brain malformation.
  • (3) Positivity was not correlated with current residence census tract socioeconomic indicators in black or white females.
  • (4) The urine compositions of the European mole Talpa europaea and of the white rat Rattus norvegicus (albino) kept on a carnivore's diet were compared.
  • (5) Fluttering in the background was a black flag adorned with white script, the “black flag of jihad”.
  • (6) The vulvar white keratotic lesions which have been subjected to histological examination in Himeji National Hospital (1973-1987) included 13 cases in benign dermatoses, 4 cases in vulvar epithelial hyperplasia, 3 cases in lichen sclerosus, and 3 cases in lichen sclerosus with foci of epithelial hyperplasia.
  • (7) Instead, the White House opted for a low-key approach, publishing a blogpost profiling Trinace Edwards, a brain-tumour victim who recently discovered she was eligible for Medicaid coverage.
  • (8) The flow properties of white cells were tested after myocardial infarction, by measuring the filtration rates of cell suspensions through 8 microns pore filters.
  • (9) The findings confirm and quantitate the severe atrophy of the neostriatum, in addition to demonstrating a severe loss of cerebral cortex and subcortical white matter in HD.
  • (10) Tottenham Hotspur’s £400m redevelopment of White Hart Lane could include a retractable grass pitch as the club explores the possibility of hosting a new NFL franchise.
  • (11) We identified four distinct clinical patterns in the 244 patients with true positive MAI infections: (a) pulmonary nodules ("tuberculomas") indistinguishable from pulmonary neoplasms (78 patients); (b) chronic bronchitis or bronchiectasis with sputum repeatedly positive for MAI or granulomas on biopsy (58 patients, virtually all older white women); (c) cavitary lung disease and scattered pulmonary nodules mimicking M. tuberculosis infection (12 patients); (d) diffuse pulmonary infiltrations in immunocompromised hosts, primarily patients with AIDS (96 patients).
  • (12) 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).
  • (13) African Americans also have more outpatient episodes than whites.
  • (14) As a Native American I am pretty sensitive to charges of racism and white supremacy,” the Oklahoma congressman added.
  • (15) The White House denied there had been an agreement, but said it was open in principle to such negotations.
  • (16) The charges against Harrison were filed just after two white men were accused of fatally shooting three black people in Tulsa in what prosecutors said were racially motivated attacks.
  • (17) Today, she wears an elegant salmon-pink blouse with white trousers and a long, pale pink coat.
  • (18) The relative effect of the intramammary infections and of different factors related to the cow (parity, stage of lactation, milk yield) on the individual cell counts, were studied for 30 months on the 62 black-and-white Holstein cows of an experimental herd.
  • (19) The administration of stable analogue of the leu-enkephalin did not alter the concentration of cortisole and aldosterone in the blood of white male rats whereas this concentration increased after administration of the parathormone.
  • (20) The patient, a 12 year-old boy, showed a soft white yellowish mycotic excrescence with clear borders which had followed the introduction of a small piece of straw into the cornea.