from The Century Dictionary.

  • Surrounding the chorda dorsalis, or notochord, of a vertebrate: as, perichordal cells; perichordal tissue.
  • Noting a type of vertebra found in some Batrachia, in which the cartilaginous elements from which the centra develop are present on both the dorsal and the ventral faces of the notochord.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Around the notochord. See epichordal.

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

  • adjective Around the notochord.


from Wiktionary, Creative Commons Attribution/Share-Alike License

peri- +‎ chordal


  • Nevertheless, the fundamental idea of it -- the belief that the skull is formed from the head-part of the perichordal axial skeleton, just as the brain is from the simple medullary tube, by differentiation and modification -- remained.

    The Evolution of Man — Volume 2


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