FOCAL LESION IN GRAY MATTER OF CORD
INFANTILE PARALYSIS (ACUTE ANTERIOR POLIOMYELITIS)
PROGRESSIVE MUSCULAR ATROPHY
(chronic anterior poliomyelitis)
Anterior cornua of cord
AMYOTROPHIC LATERAL SCLEROSIS
SYRINGOMYELIA
THROMBOSIS OF ANTERIOR SPINAL ARTERY
LANDRY’S PARALYSIS
Anterior cornua and peripheral motor nerves