Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to Horner syndrome: Pancoast tumor
sinking in of the eyeball, ptosis of the upper eyelid, slight elevation of the lower lid, constriction of the pupil, narrowing of the palpebral fissure, and anhidrosis caused by paralysis of the cervical sympathetic nerve supply.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
Hor·ner syn·drome(hōr'nĕr), [MIM*143000]
ipsilateral myosis, ptosis, and facial anhydrosis; usually unilateral and due to an ipsilateral lesion of the cervical sympathetic chain or its central pathway; an ominous sign when it accompanies an ipsilateral traumatic brachial plexopathy because it usually indicates an avulsion of the C8 and T1 primary roots from the spinal cord.
Farlex Partner Medical Dictionary © Farlex 2012
Horner syndromeBernard-Horner syndrome, Horner's ptosis Neurology
A clinical complex consisting of the sinking in of one eyeball, ipsilateral ptosis and miosis, anhidosis and flushing of affected side of face Etiology Paralysis of cervical sympathetic nerves
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
Hor·ner syn·drome(hōr'nĕr sin'drōm)
Ptosis, miosis, and anhidrosis on the side of a sympathetic palsy. Enophthalmos is more apparent than real. The affected pupil is visibly slow to dilate in dim light; due to a lesion of the cervical sympathetic chain or its central pathways.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
Horner,Johann Friedrich, Swiss ophthalmologist, 1831-1886.
Bernard-Horner syndrome - Synonym(s): Horner syndrome
Horner pupil - constricted pupil due to impairment of sympathetic nerve innervation of the dilator muscle of the pupil.
Horner syndrome - ptosis, miosis, and anhidrosis on the side of the sympathetic palsy. Synonym(s): Bernard-Horner syndrome; Bernard syndrome; ptosis sympathetica
Horner-Trantas dots - evanescent white cellular infiltrates occurring in the bulbar form of vernal keratoconjunctivitis.
Medical Eponyms © Farlex 2012
Hor·ner syn·drome(hōr'nĕr sin'drōm) [MIM*143000]
Ipsilateral myosis, ptosis, and facial anhydrosis due to ipsilateral lesion of cervical sympathetic chain or its central pathway.
Medical Dictionary for the Dental Professions © Farlex 2012