jaw-winking syndrome (MONDO_0007946) can be described as follows. Marcus-Gunn syndrome is characterized by ptosis associated with maxillopalpebral synkinesis. Also known as: Marcus Gunn Phenomenon, Marcus Gunn phenomenon, Marcus Gunn syndrome, Marcus-Gunn phenomenon, Marcus-Gunn syndrome, Maxillopalpebral synkinesis, jaw-blinking, jaw-winking.