Granule

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Granule is a generic term used for a small particle or grain. The generic term is used in a variety of specific contexts.

  • Granule (solar physics), visible structures in the photosphere of the Sun arising from activity in the Sun's convective zone
  • Granule (cell biology), any of several submicroscopic structures, some with explicable origins, others noted only as cell type-specific features of unknown function
  • "Azurophil granule", a structure characteristic of the azurophil eukarytotic cell type
  • "Chromaffin granule", a structure characteristic of the chromophil eukaryotic cell type
  • Martian spherules, spherical granules of material found on the surface of the planet Mars
  • a specified grain size of 2–4 millimetres (-1– -2 on the φ scale)

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