Spine

Of process.

A sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin.

This concept's ID is @1~9663

Contains

  • ray 0 facts

    Any of the stiff bony spines in the fin of a fish.

  • quill 0 facts

    A stiff hollow protective spine on a porcupine or hedgehog.