Question

Describe pleura of lungs.

Answer 1

In human anatomy, the pleural cavity is the thin fluid-filled space between the two pulmonary pleurae (visceral and parietal) of each lung. A pleura is a serous membrane which folds back onto itself to form a two-layered membranouspleural sac. The outer pleura (parietal pleura) is attached to the chest wall, but is separated from it by the endothoracic fascia. The inner pleura (visceral pleura) covers the lungs and adjoining structures, including blood vessels, bronchiand nerves. The pleural cavity can be viewed as a potential space because the two pleurae adhere to each other (through the thin film of serous liquid) under all normal conditions.

Answer 2

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Question

Describe pleura of lungs.

Answer

◇The pleura includes two thin layers of tissue that protect and cushion the lungs.

◇The inner layer (visceral pleura) wraps around the lungs and is stuck so tightly to the lungs that it cannot be peeled off.

◇The outer layer (parietal pleura) lines the inside of the chest wall.

◇The function of the pleura is to allow optimal expansion and contraction of the lungs during breathing.

◇The pleural fluid acts as a lubricant, allowing the parietal and visceral pleura to glide over each other friction free.

◇This fluid is produced by the pleural layers themselves.

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