Term Name:	posterior nasal aperture
Synonyms:	choana, choanae, internal naris, nasopharyngeal naris, posterior choana, posterior naris, posterior nasal apperture
Definition:	Opening/conduit between the nasal cavity and the nasopharynx[AAO] The choanae are separated by the vomer[WP].
Ontology:	Uberon Ontology [UBERON:0004771]