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apodeme (plural apodemes)

  1. (anatomy) An ingrowth of the arthropod exoskeleton, serving as an attachment site for muscles.
    • 2007 November 20, C. Claiborne Ray, “Ant Power”, New York Times:
      The muscles are attached either directly to internal protrusions of its external skeleton, called apodemes, or indirectly, by filaments attached to the connection points.