nasal passage

Introduction The nasal cavities are counted among the upper air conducting airways. It is formed by bony and cartilaginous structures. Besides the respiratory function, it is relevant for antibacterial defence, speech formation and olfactory function. It is associated with various structures in the cranial region. The nasal cavity opens ventrally (anteriorly) via the two nostrils … Nasal cavity

Histology The nasal cavity can be divided histologically (microscopically) into three parts: The first is the respiratory epithelium; this is the characteristic multi-row, highly prismatic epithelium of the respiratory tract, which is covered with goblet cells and cilia (cinchona). Kinozilien are cell protuberances which are mobile and thus ensure that foreign bodies and dirt are … Histology | Nasal cavity