Canadian Medical Guide > Diseases > Nervous System Diseases > Autonomic Nervous System Diseases > Horner Syndrome Terms and Definitions




Horner Syndrome

Medical Definition: A syndrome associated with defective sympathetic innervation to one side of the face, including the eye. Clinical features include MIOSIS; mild BLEPHAROPTOSIS; and hemifacial ANHIDROSIS (decreased sweating)(see HYPOHIDROSIS). Lesions of the BRAIN STEM; cervical SPINAL CORD; first thoracic nerve root; apex of the LUNG; CAROTID ARTERY; CAVERNOUS SINUS; and apex of the ORBIT may cause this condition. (From Miller et al., Clinical Neuro-Ophthalmology, 4th ed, pp500-11)
Also Called: Horner Syndrome, Acquired,Horner Syndrome, Central,Horner's Syndrome, Pupil,Miosis, Innervational Defect,Ptosis Sympathetic

Horner Syndrome Medical Definitions and Terms

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