This is just here as a test because I lose it

Term information

database cross reference
  • ZFA:0007037
  • XAO:0000250
  • VHOG:0001383
  • TAO:0007037
  • AAO:0011082
homology notes

(...) at some stage of its development, every chordate exhibits five uniquely derived characters or synapomorphies of the group: (...) (4) a single, tubular nerve cord that is located dorsal to the notochord (...).[well established][VHOG]