Nasenbereich
Nasenbereich, or nasal region in German, denotes the anatomical area surrounding the nose, including the external nose and the internal nasal cavity. It forms the anterior part of the upper respiratory tract and contains the structural and sensory elements related to breathing and olfaction.
External nose: The bony framework consists of the nasal bones and parts of the maxilla. The cartilaginous
Internal nasal cavity: The cavity is divided by the nasal septum into two halves. It is lined
Functions: The nasal region conditions the inhaled air by warming, humidifying, and filtering it, aided by mucociliary
Innervation and blood supply: Sensory innervation is provided by branches of the trigeminal nerve for general
Clinical notes: Epistaxis commonly occurs at Kiesselbach’s area on the anterior septum. Deviated septum, allergic rhinitis,
Development and variation: The nasal region shows considerable anatomical variation and is a common focus in