Tag: SMA

November 20, 2025 / Mohammed looti

SUPPLEMENTARY MOTOR AREA

SUPPLEMENTARY MOTOR AREA The Supplementary Motor Area, commonly referred to as the SMA, constitutes a critical region within the medial frontal lobe, situated anterior to the primary motor cortex (M1) and superior to the cingulate motor area. Its principal physiological role is centered on the advanced planning and successful execution of complex motor programs, particularly […]

October 20, 2025 / Mohammed looti

SPINAL MUSCULAR ATROPHY (SMA)

Spinal Muscular Atrophy (SMA): An Encyclopedia Entry The Core Definition of Spinal Muscular Atrophy (SMA) Spinal Muscular Atrophy, universally known as SMA, is a severe, debilitating hereditary motor neuron disease characterized by the progressive wasting, or atrophy, of the skeletal muscles. This physical deterioration results directly from the degeneration and eventual death of specialized nerve […]