Preferred Label : primary choana;
Uberon definition : 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.;
Origin ID : 0005931;
Uberon cross reference
- part of
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.
