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• n  (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain

• Then comes a large fissure (or sulcus) immediately back of which are the cutaneous and muscular sensory.
• Then comes a large fissure (or sulcus) immediately back of which are the cutaneous and muscular sensory.

News & Articles

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• Adorn your wall with free map of solar system's biggest moon
  A valuable tool for space researchers and a great topic of conversation at your next dinner party. (Click to enlarge.) (Credit: U.S. Geological Survey) Dukug Sulcus . Adapa . Lagamal . Wepwawet . Humbaba . They sound like names of places in a lost installment of "Firefly," but they're real. Yes, they're 390,400,000 miles away, but real nonetheless. These geological features are found on Ganymede ...
  Feb. 14, 2014 - CNET