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Eye color. Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye 's iris [1] [2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris. [3] : 9. In humans, the pigmentation of the iris varies from light brown to black, depending on the concentration of ...
Purple urine bag syndrome ( PUBS) is a medical syndrome where purple discoloration of urine occurs in people with urinary catheters and co-existent urinary tract infection. Bacteria in the urine produce the enzyme indoxyl sulfatase. This converts indoxyl sulfate in the urine into the red and blue colored compounds indirubin and indigo. [1]
Black rice is known as chak-hao in Manipur, India and as “kavuni arisi” or “kavuni rice” in the Tamil language, spoken in Tamil Nadu, India and Eelam, Sri Lanka. In Bangladesh, it is known as kalo dhaner chaal (black paddy rice) and used to make polao or rice-based desserts. The bran hull (outermost layer) of black rice contains one of ...
Crimson is a strong, bright, deep red color combined with some blue or violet, resulting in a small degree of purple. It is also the color between rose and red on the RGB color wheel and magenta and red on the RYB color wheel. Crimson as a quaternary color on the RGB color wheel. cerise. rose.
high-frequency, and. agreed upon by speakers of that language. English has 11 basic color terms: black, white, red, green, yellow, blue, brown, orange, pink, purple, and gray; other languages have between 2 and 12. All other colors are considered by most speakers of that language to be variants of these basic color terms.
Learn about 11 most popular rose color meanings and what the colors symbolize before you send a bouquet, from bright red to maroon, pink, white, and yellow. ... Dark Purple Roses: Intrigue and ...
The Color Purple is a 1982 epistolary novel by American author Alice Walker that won the 1983 Pulitzer Prize for Fiction and the National Book Award for Fiction.. The novel has been the target of censors numerous times, and appears on the American Library Association list of the 100 Most Frequently Challenged Books of 2000–2010 at number seventeen because of the sometimes explicit content ...
The color of chemicals is a physical property of chemicals that in most cases comes from the excitation of electrons due to an absorption of energy performed by the chemical. What is seen by the eye is not the color absorbed, but the complementary color from the removal of the absorbed wavelengths. This spectral perspective was first noted in ...