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Horner's syndrome


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A syndrome consisting of a constricted pupil (miosis), drooping of the upper eyelid (ptosis), and an absence of sweating over the affected side of the face. The symptoms are due to a disorder of the sympathetic nerves in the brainstem or cervical (neck) region. J. F. Horner (1831–86), Swiss ophthalmologist

Subjects: Medicine and Health.


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