Corpus: Nasal cavity
1. Definition
The nasal cavity is the interior of the nose. Anteriorly, it is connected to the outside world through the nostrils. Posteriorly, the choanae connect the nasal cavity to the nasopharynx. It belongs to the upper airways.
2. Classification
The nasal cavity can be further subdivided into:
- Nasal vestibule (Vestibulum nasi)
- Main nasal cavity (Cavum nasi proprium)