內鼻孔
Also known as choanae, choana
thumb|right|The choanae (internal nostrils) of a cat, indicated by the dashed lines and bounded by the vomer (blue gray) and the [[palatine bone (orange)]]
Key facts
- Anatomy.Name
- Choana
- Anatomy.Latin
- choana, apertura nasalis posterior
- Anatomy.Image
- File:Gray855.png
- Anatomy.Caption
- Lateral wall of nasal cavity.
- Anatomy.Image2
- 140px
- Anatomy.Caption2
- Dissection of the muscles of the palate from behind. (Choanae visible at center top.)
via Wikipedia infobox