Lecture 2- Anatomy of the Upper Respiratory System Flashcards
3 functions of the nose?
- Air temperature and humidity regulation
3 bones that are involved in the framework of the nose?
- Frontal bone
- Nasal bone
- Maxilla
What are the 5 cartilages associated with the nose?
- Upper lateral nasal cartilage
- Lower lateral nasal cartilage
- Septal cartilage
- Accessory cartilage
- Lesser alar cartilage
Anterior border of the nasal cavity?
Nostrils
Posterior border of the nasal cavity?
Choanae
What separates the nasal cavity from the inferior oral cavity?
Hard palate
What separates the nasal cavity from the superior cranial cavity?
Frontal, ethmoid and sphenoid bones
What divides the nasal cavity in the midline?
Nasal septum
What are the 3 regions of the nasal cavity
- Olfactory region
- Respiratory region
- Nasal vestibule
Which nasal region is the small area at the apex of the nasal cavity?
Olfactory region
Which nasal region is the largest part of the nasal cavity with a rich neurovascular supply?
Respiratory region
Which nasal region is just internal to the nares?
Nasal vestibule
What are the names given to the shelves of bone on the lateral walls of the nasal cavity?
Conchae
Which nasal region is lined by skin and is covered in short hair follicles?
Nasal vestibule
Which bone does the superior and middle concha of the lateral wall of the nasal cavity protrude from?
Ethmoid bone