#ridge.outgrowth  any long raised border or margin of a bone or tooth or membrane
  supertype:  #outgrowth__process__proces  a natural prolongation or projection from a part of an organism either animal or plant; "a bony process"
  subtype:  #supraorbital_ridge__supraorbital_torus__superciliary_ridge__superciliary_arch  a ridge on the frontal bone above the eye socket

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