Marcus Gunn phenomenon

An afflicted young woman demonstrating The Marcus Gunn Jaw Wink Phenomenon. The woman cannot control her eyelids while drinking. This is a particularly mild case.

Marcus Gunn phenomenon, also known as Marcus Gunn jaw-winking or trigemino-oculomotor synkinesis, is an autosomal dominant condition with incomplete penetrance, in which nursing infants will have rhythmic upward jerking of their upper eyelid. This condition is characterized as a synkinesis: when two or more muscles that are independently innervated have either simultaneous or coordinated movements.

单词	Marcus Gunn phenomenon
释义	Marcus Gunn phenomenon 英语百科 Marcus Gunn phenomenon Marcus Gunn phenomenon, also known as Marcus Gunn jaw-winking or trigemino-oculomotor synkinesis, is an autosomal dominant condition with incomplete penetrance, in which nursing infants will have rhythmic upward jerking of their upper eyelid. This condition is characterized as a synkinesis: when two or more muscles that are independently innervated have either simultaneous or coordinated movements.
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