SMA (Spinal Muscular Atrophy): What It Is, Symptoms & Types
Spinal muscular atrophy (SMA) is a genetic condition that causes worsening muscle weakness. There are five subtypes, which range in severity and age of onset. There’s no cure for SMA, …
Spinal muscular atrophy - Wikipedia
Spinal muscular atrophy (SMA) is a rare neuromuscular disorder that results in the loss of motor neurons and progressive muscle wasting. [3] [4] [5] It is usually diagnosed in infancy or early …
Spinal Muscular Atrophy | National Institute of Neurological …
What is spinal muscular atrophy? Spinal muscular atrophy (SMA) refers to a group of hereditary diseases which affect motor neurons. Motor neurons are specialized nerve cells in the brain …
Spinal Muscular Atrophy (SMA) - Diseases - Muscular Dystrophy Association
What is spinal muscular atrophy? Spinal muscular atrophy (SMA) is a genetic disease affecting the central nervous system, peripheral nervous system, and voluntary muscle movement …
Spinal Muscular Atrophy (SMA) - Johns Hopkins Medicine
Spinal muscular atrophy (SMA) is a disorder affecting the motor neurons—nerve cells that control voluntary muscle movement. These cells are located in the spinal cord. Because the muscles …
Spinal Muscular Atrophy: Causes, Symptoms, and Treatment
Apr 8, 2023 · Spinal muscular atrophy (SMA) most often affects babies and children and makes it hard for them to use their muscles. When your child has SMA, there's a breakdown of the …
Spinal Muscle Atrophy - StatPearls - NCBI Bookshelf
Jul 17, 2023 · Spinal muscular atrophy is an inherited autosomal recessive disease of a varying phenotype that is characterized by progressive muscle weakness, reduced tone with …
Spinal muscular atrophy (SMA) - NHS
Find out about spinal muscular atrophy (SMA) including the symptoms, types, causes, how it's diagnosed and the treatment and support available.
Causes/Inheritance - Spinal Muscular Atrophy (SMA) - Diseases ...
What causes spinal muscular atrophy (SMA)? SMA is characterized by the loss of motor neurons, nerve cells in the spinal cord. It is classified as a motor neuron disease. Muscle-controlling …
What Is Spinal Muscular Atrophy? - WebMD
Jul 27, 2024 · Spinal muscular atrophy (SMA) is a genetic disease that affects the nervous system and, mostly, the muscles it controls. It weakens muscles and can lead to problems breathing, …