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Macroglossia
Large tongue; usually a congenital disorder (present at birth)
Mandibular Maxillary Osteotomy and Advancement (MMOA)
Procedure developed for patients with retrolingual obstruction, patients with retropalatal and retrolingual obstruction who have not responded to CPAP and uvulopalatopharyngoplasty (UPPP).
Maxillofacial
Pertaining to the jaws and face.
Melatonin
Hormone secreted by the brain�s pineal gland
Micro-arousal
Partial awakening from sleep
Micro-sleep
Period lasting up to a few seconds during which the polysomnogram suddenly shifts from waking characteristics to sleep.
Mixed (sleep) apnea
Interruption in breathing during sleep beginning as a central apnea then becoming an obstructive apnea.
Monocyclic
A single major sleep period and a single major wake period in a 24-hour day.
Motor Activity in Sleep
Any muscular movement during sleep
Motor Atonia
The absence of muscle activity during sleep
Movement arousal
Body movement associated with arousal or awakening; a sleep scoring variable.
Movement time
Term used in sleep record scoring to denote when EEG and EOG tracings are obscured for more than 15 seconds due to movement.
Multiple sleep latency test (MSLT)
A series �nap tests� utilized in the assessment of excessive daytime sleepiness.
Muscle Tone
Amount of tension in a muscle.
Myoclonus
Muscle contractions in the form of "jerks" or twitches.
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