From the NIH: Ultrasound useful in diagnosing oral-motor dysfunction.
D001184:Articulation Disorders / Q000175:diagnosis; D006801:Humans; D009316:National Institutes of Health (U.S.); D012106:Research; D013064:Speech Disorders / Q000175:diagnosis*; D014465:Ultrasonics / Q000295:instrumentation; D014463:Ultrasonography; D014481:United States