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==Introduction==

==Introduction==

The Pleural Cavity is the body cavity which contains the lungs and the heart. The walls are made up of serous membranes.

The Pleural Cavity is the area within the thorax which encases the lungs and the heart. The walls are made up of serous membranes, known as '''Pleurae'''.

 

==Pleural Membranes==

==Pleural Membranes==

==Innervation==

==Innervation==

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*Parietal Pleura is innervated by the intercostal nerves, with the Mediastinal and Diaphragmatic pleura also innervated by the Phrenic Nerve.

 

*Visceral pleura is innervated by the Vagus nerve and sympathetic fibres. It is insensitive to pain stimuli.

 

 

 

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==Species Differences==

==Species Differences==