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Question

The serous membrane which covers the lungs is called: 


  1. Pericardium

  2. Peritoneum

  3. Perichondrium

  4. Pleura


Solution

The correct option is D

Pleura


The serous membrane which covers the lungs is called pleura. It is differentiated into inner, visceral pleura (which firmly bound to the surface of the lungs) and outer, parietal pleura (which is held to the thoracic wall and diaphragm by connective tissue). Pleura secretes the pleural fluid for reducing the friction between the surface of the lungs and the ribs.

Percardium is the membrane enclosing the heart, consisting of an outer fibrous layer and an inner double layer of serous membrane.

Peritonium is the serous membrane that forms the lining of the abdominal cavity or coelom in amniotes and some invertebrates, such as annelids.

Perichondrium is a layer of dense irregular connective tissue that surrounds the cartilage of developing bone.
 

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