Dejerine hand phenomenon

De·je·rine hand phe·nom·e·non

(dĕ-zhē-rēn'), clonic contractions of the flexors of the hand (wrist) on tapping the dorsum of the hand or the volar side of the forearm near the wrist; occurs in normal people but is exaggerated in pyramidal tract lesions. Synonym(s): Dejerine reflex

De·je·rine hand phe·nom·e·non

(dĕ-zhĕ-rēn' hand fĕ-nom'ĕ-non) Clonic contractions of the flexors of the hand (wrist) on tapping the dorsum of the hand or the volar side of the forearm near the wrist; occurs in normal people but is exaggerated in pyramidal tract lesions.

Dejerine,

Joseph J., Paris neurologist, 1849-1917. Dejerine anterior bulbar syndrome - occlusion of anterior spinal arteries with involvement of cortical spinal tract, hypoglossal nerves, and medial lemnisci.Dejerine cortical sensory syndrome - (1) radiculitis; - (2) bulbar syndrome caused by medullar lesion and resulting in cranial nerve paralysis in the area; - (3) polyneuropathy resulting in depression of deep sensation; tactile sensation remains normal.Dejerine disease - Synonym(s): Dejerine-Sottas diseaseDejerine hand phenomenon - clonic contractions of the flexors of the hand (wrist) on tapping the dorsum of the hand or the volar side of the forearm near the wrist, exaggerated in pyramidal tract lesions. Synonym(s): Dejerine reflexDejerine reflex - Synonym(s): Dejerine hand phenomenonDejerine sign - aggravation of symptoms of radiculitis by the acts of coughing, sneezing, or straining to defecate.Dejerine-Landouzy dystrophy - Synonym(s): Landouzy-Dejerine dystrophyDejerine-Landouzy myopathy - Synonym(s): Landouzy-Dejerine dystrophyDejerine-Lichtheim phenomenon - Synonym(s): Lichtheim signDejerine-Roussy syndrome - infraction of posteroinferior thalamus causing transient hemiparesis, severe loss of superficial and deep sensation with preservation of crude pain in the limbs with decreased sensation; the limbs frequently have vasomotor or trophic disturbances. Synonym(s): thalamic syndromeDejerine-Sottas disease - a familial type of demyelinating sensorimotor polyneuropathy that begins in early childhood and is slowly progressive. Synonym(s): Dejerine disease; Dejerine-Sottas neuropathy; progressive hypertrophic polyneuropathyDejerine-Sottas neuropathy - Synonym(s): Dejerine-Sottas diseaseLandouzy-Dejerine dystrophy - see under Landouzy