The pleura is a slick, wet, shiny membrane. It is the outer most layer of tissue surrounding the lungs and also the inner most layer of tissue coating the chest wall. The pleura provide well lubricated surfaces of the chest wall and lungs to contact each other with minimal friction during respiration.
The lungs are surrounded by two membranes, the pleurae. The outer pleura is attached to the chest wall and is known as the Parietal pleura; the inner one is attached to the lung and other visceral tissues and is known as the Visceral pleura. In between the two is a thin space known as the pleural cavity or pleural space. It is filled with pleural fluid, a serous fluid produced by the pleura.
The pleural fluid lubricates the pleural surfaces and allows the layers of pleura to slide against each other easily during respiration. It also provides the surface tension that keeps the lung surface in contact with the chest wall. During quiet breathing, the cavity normally experiences a negative pressure (compared to the atmosphere) which helps adhere the lungs to the chest wall, so that movements of the chest wall during breathing are coupled closely to movements of the lungs.
The pleural membrane also helps to keep the two lungs away from each other and air tight, thus if one lung is punctured and collapses due to an accident, the other pleural cavity will still be air tight, and the other lung will work normally
The parietal pleura is highly sensitive to pain; the visceral pleura is not. The visceral pleura has a dual blood supply, from the bronchial and pulmonary arteries. In humans, there is no anatomical connection between the left and right pleural cavities, so in cases of pneumothorax (see below), the other hemithorax will still be able to function normally.
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http://en.wikipedia.org/wiki/Pleural_mem…
The lungs are surrounded by two membranes, the pleurae. The outer pleura is attached to the chest wall and is known as the Parietal pleura; the inner one is attached to the lung and other visceral tissues and is known as the Visceral pleura. In between the two is a thin space known as the pleural cavity or pleural space. It is filled with pleural fluid, a serous fluid produced by the pleura.
The pleural fluid lubricates the pleural surfaces and allows the layers of pleura to slide against each other easily during respiration. It also provides the surface tension that keeps the lung surface in contact with the chest wall. During quiet breathing, the cavity normally experiences a negative pressure (compared to the atmosphere) which helps adhere the lungs to the chest wall, so that movements of the chest wall during breathing are coupled closely to movements of the lungs.
The pleural membrane also helps to keep the two lungs away from each other and air tight, thus if one lung is punctured and collapses due to an accident, the other pleural cavity will still be air tight, and the other lung will work normally
The parietal pleura is highly sensitive to pain; the visceral pleura is not. The visceral pleura has a dual blood supply, from the bronchial and pulmonary arteries. In humans, there is no anatomical connection between the left and right pleural cavities, so in cases of pneumothorax (see below), the other hemithorax will still be able to function normally.
You could get more information from the link below...
The pleural membrane lines the lungs. It is a thin visceral layer that has some fluid between the layer and the lungs. If there is no fluid in this layer, and the layer becomes dry there is a condition called pleurisy which can happen as a result of friction produced.
The parietal pleura lines the thoracic wal, covers the thoracic surface of the diaphragm and the lateral aspect of the mediastinum, and extends into the root of the neck to line the undersurface of the suprapleural membrane at the thoracic outlet.
Together with the visceral pleura, the space in between them is called the pleural cavity. The cavity contains pleuralfluidthat help in lubricating the lungs as we breathe. The pleural cavity also has a negative pressure. This helps keep the lungs expanded preventing collapse as it "pulls" the lungs toward the chest wall.
The pleural membrane is a membrane covering the lungs in the chest. The trachea does not have a pleural membrane. In the lungs it produces a serous fluid which tends to lubricate the lungs during movement when it expands on breathing
The visceral pleura is one of the membranes that make up the parietal pleura. It produces a serous liquid that helps the lungs glide smoothly against each other during respiration.
Lining the and separating the lungs
Pleural fluid is the fluid that's located between the pleural membranes that cover the lungs. If too much fluid builds up, it's called a pleural effusion.
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Each lung lies within the pleural cavity within which the lung expands. The pleural cavity is lined by two transparent elastic membranes called the pleura/pleural membranes. The inner pleuron covers the lung the outer pleuron is in contact with the walls of the thorax and the diaphragm. A thin layer of lubricating fluid between the pleural membranes allows them to glide over each other when the lungs expand and contract during breathing. So your answer is the pleural fluid lies between the pleural membranes.
The two pleural membranes should be touching. If air creates a space between them the air will push the lung down and prevent it from filling with air. This is known as a collapsed lung, or pneumothorax. The air between the pleural membranes must be removed to reinflate the lung.
Surfactant is pleural fluid.
Pleurisy is a lay term meaning painful breathing. Pleuritis is the medical term meaning infoammation of the pleural membranes. Pleuritis can result in pleurisy.
The potential space between the pleural membranes is called the thoracic cavity. This is also known as the pleural cavity in some instances.
Pleural Fluid. It is mostly made up of tissue fluidPleural spacePleural fluid
Anti-inflammatories reduce the inflammation in the pleural serous membranes. The pain is caused by friction between the pleural serous membranes.
The pleural cavities.
pleural effusion.
surface tension.