melanosome
The generally oval pigment granule (0.2 by 0.6 μm) produced by melanocytes. SYN: eumelanosome. [melano- + G. soma, body]
- giant m. a large spherical m. (1 to 6 μ in diameter) formed in the cytoplasm of melanocytes in café-au-lait spots and other melanocytic disorders. SYN: macromelanosome.

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me·la·no·some mə-'lan-ə-.sōm, 'mel-ə-nō- n a melanin-producing granule in a melanocyte

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mel·a·no·some (melґə-no-sōm″) [melano- + -some] any of the granules within the melanocytes that contain tyrosinase and synthesize melanin, and can be transferred from the melanocytes to keratinocytes.

Medical dictionary. 2011.

Look at other dictionaries:

  • Melanosome — Mélanosome Le mélanosome est un membre de la famille des organelles intracellulaires, parent des lysosomes et des granules des plaquettes sanguines, à l intérieur duquel sont fabriquées les mélanines, pigments protégeant la peau des radiations… …   Wikipédia en Français

  • melanosome — melanosome. См. меланосома. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • melanosome — [mel′ə nō sōm΄, mə lan′əsōm] n. an organelle of a cell containing densely packed melanin pigments along rows of tiny fibers …   English World dictionary

  • Melanosome — For the geological term, see melanosome (geology). In a biological cell, a melanosome is an organelle containing melanin, the most common light absorbing pigment found in the animal kingdom. Cells that synthesize melanins are called melanocytes,… …   Wikipedia

  • Mélanosome — Le mélanosome est un organite intracellulaire, parent des lysosomes et des granules des plaquettes sanguines, à l intérieur duquel sont fabriquées les mélanines, pigments protégeant la peau des radiations solaires dans le règne animal. Il est… …   Wikipédia en Français

  • melanosome — noun Date: 1940 a melanin producing granule in a melanocyte …   New Collegiate Dictionary

  • melanosome — Membrane bounded organelle found in melanocytes; when melanin synthesis is active internal structure is characteristic, containing melanofilaments that have a periodicity of around 9nm and are arranged in parallel arrays. Mature melanosomes, in… …   Dictionary of molecular biology

  • melanosome — /meuh lan euh sohm , mel euh neuh /, n. Cell Biol. an organelle in melanocytes that synthesizes and stores melanin. [1935 40; MELANO + SOME3] * * * …   Universalium

  • melanosome — noun Any organelle that contains melanin …   Wiktionary

  • melanosome — n. organelle in melanocytes that produces and stores melanin granules …   English contemporary dictionary

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