What is pleura and what are its two layers?
Understand the Problem
The question is asking for information about the pleura, specifically its structure, parts, and function. It outlines that there are two layers of pleura and describes their roles in relation to the lungs and chest wall.
Answer
The pleura comprises two layers: parietal (outer) and visceral (inner), separated by the pleural cavity.
The pleura is a serous membrane with two layers that protect the lungs. The outer layer is the parietal pleura, lining the chest wall, and the inner layer is the visceral pleura, covering the lungs. These layers are separated by the pleural cavity, containing pleural fluid.
Answer for screen readers
The pleura is a serous membrane with two layers that protect the lungs. The outer layer is the parietal pleura, lining the chest wall, and the inner layer is the visceral pleura, covering the lungs. These layers are separated by the pleural cavity, containing pleural fluid.
More Information
Pleurae play a crucial role in respiration, facilitating smooth movement of the lungs by providing a frictionless interface. The pleural fluid in the cavity aids in lubrication.
Tips
A common mistake is confusing the parietal pleura (outer layer) with the visceral pleura (inner layer). Clarify their positions: parietal lines the chest, and visceral covers the lungs.
Sources
- Pleura: Location, Anatomy, Function, Diseases & Conditions - my.clevelandclinic.org
- Pleura: Anatomy, Function, and Conditions - Verywell Health - verywellhealth.com
- Pleura space anatomy - PMC - PubMed Central - pmc.ncbi.nlm.nih.gov
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