Bell phenomenon

Bell phenomenon

(bel),

reflex upper deviation of the eye on attempted eye closure; seen with several disorders, including facial mononeuropathies, Guillain-Barré syndrome, and myasthenia gravis.

Farlex Partner Medical Dictionary © Farlex 2012

Bell phe·nom·e·non

(bel fĕ-nom'ĕ-non)

A normal reflex of upward and outward deviation; seen with several disorders, including facial mononeuropathies, Guillain-Barré syndrome, and myasthenia gravis.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

Bell,

Sir Charles, Scottish surgeon, anatomist, and physiologist, 1774-1842.

Bell law - the ventral spinal roots are motor, the dorsal are sensory. Synonym(s): Bell-Magendie law; Magendie law

Bell-Magendie law - Synonym(s): Bell law

Bell palsy - paresis or paralysis, usually unilateral, of the facial muscles, caused by dysfunction of the 7th cranial nerve. Synonym(s): peripheral facial paralysis

Bell phenomenon - upward movement of the eye on attempted eyelid closure in a patient with peripheral facial paralysis.

Bell respiratory nerve - Synonym(s): long thoracic nerve

Bell spasm - involuntary twitching of the facial muscles. Synonym(s): facial tic

external respiratory nerve of Bell - Synonym(s): long thoracic nerve

Medical Eponyms © Farlex 2012

Bell phe·nom·e·non

(bel fĕ-nom'ĕ-non)

Reflex upper deviation of the eye on attempted eye closure; seen in facial mononeuropathies, Guillain-Barré syndrome, and myasthenia gravis.

Medical Dictionary for the Dental Professions © Farlex 2012