PLEURAL CAVITY Meaning and
Definition
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The pleural cavity is a term used in anatomy to describe a specific area within the thoracic cavity. It is a fluid-filled space located between the two pleural membranes that surround the lungs. The pleural membranes are thin, double-layered sheets of tissue that create a protective sac around the lungs.
The pleural cavity is lined by the visceral pleura, which is the inner layer that directly covers the lungs, and the parietal pleura, which is the outer layer that lines the chest wall and diaphragm. These two layers create a sealed compartment where a small amount of pleural fluid is present, acting as a lubricant that facilitates the smooth movement of the lungs during breathing.
The function of the pleural cavity is essential for proper respiratory functioning. It allows the lungs to expand and contract without friction, as the pleural fluid serves as a lubricating layer between the two pleural membranes. This fluid also acts as a shock absorber, protecting the lungs from external forces and impacts.
Various conditions can affect the pleural cavity, such as pleural effusion (excessive fluid accumulation), pneumothorax (air trapped within the cavity), or pleurisy (inflammation of the pleural membranes). The understanding of the pleural cavity and its importance in respiratory physiology is crucial for medical professionals to diagnose and treat respiratory disorders effectively.
Common Misspellings for PLEURAL CAVITY
- oleural cavity
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- pleyral cavity
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Etymology of PLEURAL CAVITY
The word "pleural" is derived from the Latin term "pleura", which means "rib". The term "cavity" comes from the Latin word "cavus", meaning "hollow". So, the etymology of "pleural cavity" refers to the hollow space between the pleural membranes, which surround and protect the lungs.
Similar spelling word for PLEURAL CAVITY
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