Pneumomediastinum
pneumomediastinum pneu·mo·me·di·as·ti·num (nōō’mō-mē’dē-ə-stī’nəm, nyōō’-)
n.
The escape of air into the mediastinal tissues, usually from interstitial emphysema or from a ruptured pulmonary bleb.
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pneumomyelography pneu·mo·my·e·log·ra·phy (nōō’mō-mī’ə-lŏg’rə-fē, nyōō’-) n. Radiographic examination of the spinal canal after the injection of air or gas.
- Pmmw
passive millimeter wave
- Pmma
polymethylmethacrylate
- PMLA
1. Publications of the Modern Language Association of America.
- P.M.L.
Insurance. 1. probable maximum loss.