from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The passage formed by successive openings in the articulated vertebrae through which the spinal cord and its membranes pass.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun anatomy The canal which runs down through the vertebrae and contains the spinal cord and spinal meninges.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the canal in successive vertebrae through which the spinal cord passes


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