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Respiratory Epithelium - Anatomy & Physiology (view source)
Revision as of 13:05, 14 August 2008
, 13:05, 14 August 2008New page: {{toplink |backcolour = D1EEEE |linkpage =Cardiorespiratory System - Anatomy & Physiology |linktext =Cardiorespiratory System |maplink = Cardiorespiratory (Content Map) - Anatomy & Physiol...
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==Introduction==
Respiratory epithelium is a type of epithelium which lines both the upper and lower respiratory tracts.
It consists of multiple layers of cylindrical epithelium, along with cilia and goblet cells.
==Function==
The many cilia present on the surface of the cells of respiratory epithelium, along with the mucus producing goblet cells, are the functional units for the Mucociliary escalator:
*Cilia on the respiratory epithelium beat in a co-ordinated manner
**Cilia beat in a caudal direction in nasal cavity
**Cilia beat in a cranial direction in trachea and lower airways
**Mucus is swallowed when it reaches the nasopharynx
**Constant movement reduces chances that pathogens can adhere to the respiratory epithelium
|backcolour = D1EEEE
|linkpage =Cardiorespiratory System - Anatomy & Physiology
|linktext =Cardiorespiratory System
|maplink = Cardiorespiratory (Content Map) - Anatomy & Physiology
|pagetype =Anatomy
}}
<br>
==Introduction==
Respiratory epithelium is a type of epithelium which lines both the upper and lower respiratory tracts.
It consists of multiple layers of cylindrical epithelium, along with cilia and goblet cells.
==Function==
The many cilia present on the surface of the cells of respiratory epithelium, along with the mucus producing goblet cells, are the functional units for the Mucociliary escalator:
*Cilia on the respiratory epithelium beat in a co-ordinated manner
**Cilia beat in a caudal direction in nasal cavity
**Cilia beat in a cranial direction in trachea and lower airways
**Mucus is swallowed when it reaches the nasopharynx
**Constant movement reduces chances that pathogens can adhere to the respiratory epithelium