This is just here as a test because I lose it
Term information
database cross reference
- AAO:0011012
- XAO:0000307
- ZFA:0007038
- TAO:0007038
- VHOG:0001384
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]