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epi- +‎ chordal


epichordal (not comparable)

  1. (anatomy) Upon or above the notochord; applied especially to a vertebral column which develops upon the dorsal side of the notochord, as distinguished from a perichordal column, which develops around it.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for epichordal in
Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)