Gregory Ngo, Roy Chowdhury
Moebius syndrome is a rare birth defect that mainly affects the muscles that control facial expression and eye movement. It is caused by the absence or underdevelopment of the sixth and seventh cranial nerves, which control eye movements and facial expression. Moebius syndrome can affect the cranial nerves that control the muscles of the tongue, jaw, larynx, and throat, as well as those that create speech.
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