pneumomediastinum pneu·mo·me·di·as·ti·num (nōō’mō-mē’dē-ə-stī’nəm, nyōō’-)
The escape of air into the mediastinal tissues, usually from interstitial emphysema or from a ruptured pulmonary bleb.


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    passive millimeter wave

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  • PMLA

    1. Publications of the Modern Language Association of America.

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