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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.

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種類 Organ
器官系 Respiratory
親構造 naris
FMA ID 295944

Frequently Asked Questions

What is the 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.

What body system is the primary choana part of?

The primary choana is part of the Respiratory.

References

  1. Foundational Model of Anatomy — FMA:295944 Reference anatomy ontology (University of Washington)
  2. UBERON — UBERON:0005931 Cross-species anatomy ontology (EMBL-EBI Ontology Lookup Service)

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Educational Disclaimer

This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for medical decisions.

Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.