pheomelanin
A brown pigment produced by melanocytes

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  • pheomelanin — A type of melanin found in red hair; it contains sulfur and is alkali soluble; elevated levels are found in the rufous type of oculocutaneous albinism. Cf.:eumelanin. [G. phaios, dusky, + melos (melan ), black] * * * pheo·mel·a·nin (fe″o… …   Medical dictionary

  • Melanin — Not to be confused with melamine, melatonin, or Melanotan (disambiguation). Melanin pigment (dark granular material center of image) in a pigmented melanoma. Pap stain. Melanin …   Wikipedia

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  • Red hair — This article is about people with red hair, who are sometimes called redheads . For the film, see Red Hair (film). For other uses, see Redhead (disambiguation) …   Wikipedia

  • Melanocyte — A pigment producing cell in the skin, hair and eye that determines their color. The pigment that melanocytes make is called melanin. The major determinant of color is not the number but rather the activity of the melanocytes. Melanin production… …   Medical dictionary

  • Melanistic mask — Pug with black melanistic mask A melanistic mask (also referred to as a mask or masking) is a dog coat pattern that gives the appearance of a mask on the dog s face. The hairs on the muzzle, and sometimes entire face or ears, are colored by… …   Wikipedia

  • Human hair color — Hair color is the pigmentation of hair follicles due to the two types of melanin, eumelanin and phaeomelanin. Generally, if more melanin is present in the hair, the color of the hair is darker; if less melanin is present, the hair color is… …   Wikipedia

  • Maltese tiger — An artist’s rendering of a Maltese tiger, with the grey hue characteristic of other blue felines The Maltese tiger, or blue tiger, is a sub species coloration morph of a tiger, reported mostly in the Fujian Province of China. It is said to have… …   Wikipedia

  • Near-infrared window in biological tissue — The near infrared (NIR) window (also known as optical window or therapeutic window) defines the range of wavelengths where light has its maximum depth of penetration in tissue. Within the NIR window, scattering is the most dominant light tissue… …   Wikipedia

  • Optical window in biological tissue — The Optical window [1] (also known as therapeutic window) defines the range of wavelengths where light has its maximum depth of penetration in tissue. Within the NIR window, scattering is the most dominant light tissue interaction, and therefore… …   Wikipedia

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