#sphenoid_bone__sphenoid__os_sphenoidale  butterfly-shaped bone at the base of the skull
  supertype:  #bone__os  rigid connective tissue that makes up the skeleton of vertebrates
  part of:  #skull
  part:  #crotaphion  the tip of the greater wing of the sphenoid bone
  part:  #pterygoid_process__pterygoidproces  two bony processes descending from the body of the sphenoid bone

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