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of, relating to, or belonging to a spine or thornlike structure, especially to the backbone.
Medicine/Medical. a spinal anesthetic.
of or relating to the spine or the spinal cord
denoting a laboratory animal in which the spinal cord has been severed: a spinal rat
short for spinal anaesthesia

spinal spi·nal (spī’nəl)

Relating to or situated near the spinal column or spinal cord.

Relating to any spine or spinous process.


See vertebral column.

Any of various pointed projections, processes, or appendages of animals.

A sharp-pointed projection on a plant, especially a hard, narrow modified leaf, as on a cactus, that is adapted to reduce water loss. Compare thorn. See more at leaf.

spinal adjective


Read Also:

  • Spinal-accessory-nerve

    noun 1. accessory nerve.

  • Spinal anaesthesia

    noun 1. (surgery) anaesthesia of the lower half of the body produced by injecting an anaesthetic beneath the arachnoid membrane surrounding the spinal cord See also epidural (sense 2) 2. (pathol) loss of sensation in some part of the body as the result of injury of the spinal cord

  • Spinal analgesia

    spinal analgesia n. The deactivation of sensory nerves by injecting a local anesthetic into the subarachnoid space of the spine.

  • Spinal-anesthesia

    noun, Medicine/Medical. 1. interruption of conduction of nerve impulses by the injection of an anesthetic into the spinal canal that reduces sensitivity to pain without loss of consciousness. spinal anesthesia n. Anesthesia produced by injection of a local anesthetic solution into the spinal subarachnoid space. Loss of sensation produced by disease of the spinal cord.

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