Marcus Gunn syndrome

jaw-·wink·ing syn·drome

[MIM*154600] an increase in the width of the palpebral fissures during chewing, sometimes with a rhythmic elevation of the upper lid when the mouth is open and with ptosis when the mouth is closed. Synonym(s): Gunn phenomenon, Gunn syndrome, jaw-winking phenomenon, jaw-working reflex, Marcus Gunn phenomenon, Marcus Gunn syndrome

Marcus Gunn syndrome

(1) Marcus Gunn jaw-winking phenomenon.
(2) Marcus Gunn pupillary phenomenon; Gunn pupil sign.

Gunn,

Robert Marcus, English ophthalmologist, 1850-1909. Gunn dots - minute, highly glistening, white or yellowish specks usually seen in the posterior part of the fundus.Gunn phenomenon - an increase in the width of the eyelids during chewing. Synonym(s): Gunn syndrome; jaw-winking syndrome; Marcus Gunn syndromeGunn pupil - Synonym(s): Marcus Gunn pupilGunn sign - compression of the underlying vein at arteriovenous crossings seen ophthalmoscopically in arteriolar sclerosis. Synonym(s): Marcus Gunn signGunn syndrome - Synonym(s): Gunn phenomenonMarcus Gunn pupil - relative afferent pupillary defect. Synonym(s): Gunn pupilMarcus Gunn sign - Synonym(s): Gunn signMarcus Gunn syndrome - Synonym(s): Gunn phenomenon
Marcus Gunn phenomenonjaw-winking syndrome, , Marcus Gunn syndrome (mahr'kŭs gŭn fĕ-nom'ĕ-non, sin'drōm) [MIM*154600] Synonym(s): jaw-winking syndrome.