External nose
External Nose
The External Nose (pronunciation: /ɛkˈstɝːnəl noʊz/) is the protruding part of the face that houses the nostrils and is used for breathing and olfaction.
Etymology
The term "External Nose" is derived from the Latin "externus" meaning "outside" and the Old English "nosu" meaning "nose".
Anatomy
The external nose is primarily made up of bone and cartilage. The upper part, also known as the bridge or root, is formed by the nasal bones. The lower part, or the nasal septum, is made up of cartilage and separates the nostrils. The nostrils, or nares, are the openings to the respiratory system.
Function
The main function of the external nose is to warm, moisten, and filter the air before it enters the lungs. It also houses the olfactory system, which is responsible for the sense of smell.
Related Terms
- Nasal bone: The bone that forms the bridge of the nose.
- Nasal septum: The cartilage and bone that separates the nostrils.
- Nares: The openings of the nose, also known as nostrils.
- Olfactory system: The sensory system used for smelling.
External links
- Medical encyclopedia article on External nose
- Wikipedia's article - External nose
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