Parietal pleura
Parietal Pleura
The Parietal Pleura (/pəˈraɪɪtəl ˈplʊərə/) is a thin serous membrane which lines the inner surface of the thoracic cavity. It is one of the two pleural membranes, the other being the Visceral Pleura.
Etymology
The term 'Parietal' is derived from the Latin word 'paries', meaning 'wall', and 'Pleura' from the Greek word 'pleura', meaning 'side' or 'rib'. Thus, the term 'Parietal Pleura' refers to the 'wall side' or the membrane lining the wall of the thoracic cavity.
Function
The Parietal Pleura serves to line and protect the thoracic cavity. It also secretes a lubricating fluid that allows the lungs to expand and contract smoothly during respiration.
Related Terms
- Pleura: The general term for the serous membranes lining the thoracic cavity and enveloping the lungs.
- Visceral Pleura: The pleura that directly covers the lungs.
- Pleural Cavity: The potential space between the parietal and visceral pleurae.
- Pleural Effusion: A condition characterized by the abnormal accumulation of fluid in the pleural cavity.
- Pneumothorax: A condition characterized by the presence of air or gas in the pleural cavity, causing the lung to collapse.
See Also
External links
- Medical encyclopedia article on Parietal pleura
- Wikipedia's article - Parietal pleura
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