Анатомическая иерархия

Общая анатомия > Дыхательная система > Нос > Полость носа > Хоаны

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Описание

The Choanae are the posterior nasal aperture, separated by the vomer.

It is the opening between the nasal cavity and the nasopharynx.

It is therefore not a structure but a space bounded as follows:

  • anteriorly and inferiorly by the horizontal plate of palatine bone,
  • superiorly and posteriorly by the sphenoid bone
  • laterally by the medial pterygoid plates.

This definition incorporates text from the wikipedia website - Wikipedia: The free encyclopedia. (2004, July 22). FL: Wikimedia Foundation, Inc. Retrieved August 10, 2004, from http://www.wikipedia.org

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