#tentacle.outgrowth  any of various elongated tactile or prehensile flexible organs that occur on the head or near the mouth in many animals used for feeling or grasping or locomotion
  supertype:  #outgrowth__process__proces  a natural prolongation or projection from a part of an organism either animal or plant; "a bony process"
  subtype:  #feeler__antenna  one of a pair of mobile appendages on the head of e.g. insects and crustaceans; typically sensitive to touch and taste
  subtype:  #barbel__feeler  slender tactile process on the jaws of a fish

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