primary choana
Initial opening of the nasal pits and olfactory sac of the embryo into the rostral part of the primordial oronasal cavity, before the formation of the secondary palate. [ http://www.drugs.com/dict/primary-choana.html ]
Term info
database cross reference
- EHDAA:9087
- FMA:295944
- MA:0001322
- EMAPA:17851
editor note
TODO - check. MA says part_of external naris.
has obo namespace
uberon
id
UBERON:0005931
prefLabel
primary choana