Intrapleural space
Intrapleural Space
The Intrapleural space (pronounced: in-tra-pleu-ral space), also known as the pleural cavity, is a potential space between the two pleurae of the lungs.
Etymology
The term 'Intrapleural' is derived from the Greek words 'intra' meaning 'within' and 'pleura' meaning 'side' or 'rib'. The term 'space' is derived from the Latin 'spatium' meaning 'room' or 'area'.
Definition
The intrapleural space is a thin, fluid-filled space located between the two pleural membranes: the visceral pleura and the parietal pleura. These membranes envelop the lungs, providing a smooth, frictionless surface that allows the lungs to expand and contract during respiration.
Function
The primary function of the intrapleural space is to allow the lungs to move freely within the thoracic cavity during respiration. The fluid within the space serves as a lubricant, reducing friction between the two pleural membranes. This space also creates a pressure gradient that aids in lung expansion.
Related Terms
- Pleura: The serous membranes lining the thoracic cavity and enveloping the lungs.
- Visceral pleura: The inner layer of the pleura that is in direct contact with the lungs.
- Parietal pleura: The outer layer of the pleura that is attached to the chest wall.
- Respiration: The process of inhaling and exhaling air in order to exchange oxygen and carbon dioxide between the lungs and the atmosphere.
See Also
- Pleural effusion: A condition characterized by the accumulation of fluid in the intrapleural space.
- Pneumothorax: A condition characterized by the presence of air or gas in the intrapleural space.
External links
- Medical encyclopedia article on Intrapleural space
- Wikipedia's article - Intrapleural space
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