Meaning of MEDIASTINUM

Pronunciation:			`meedeeu'steenum
WordNet Dictionary
	Definition:		[n]  the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus
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	See Also:		bodily cavity, cavity, cavum, chest cavity, thoracic cavity
Medical Dictionary
	Definition:		The area that separates the lungs from each other. It contains the heart and its large veins and arteries, the trachea (wind-pipe), the esophagus, the thymus gland, and lymph nodes.
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