| pleural sac |
In anatomy, the pleural cavity is the potential space between the lungs and the chest wall. It has virtually nothing in it in the normal non-diseased state, except a small amount of pleural fluid. The cavity is lined by specialized epithelium called pleura. The pleura that is connected to the chest wall is called the parietal pleura and is highly sensitive to pain. ...
출처: en.wikipedia.org/wiki/Pleural_sac
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