SMA (Spinal Muscular Atrophy): What It Is, Symptoms & Types
Jun 6, 2024 · SMA involves the loss of a specific type of nerve cell in your spinal cord called lower motor neurons, or anterior horn cells. These cells control muscle movement. Without these …
Spinal Muscular Atrophy | National Institute of Neurological …
Jul 30, 2024 · Spinal muscular atrophy (SMA) refers to a group of hereditary diseases which affect motor neurons. Motor neurons are specialized nerve cells in the brain and spinal cord …
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 (SMA) - Diseases - Muscular Dystrophy Association
SMA involves the loss of nerve cells called motor neurons in the spinal cord and is classified as a motor neuron disease. In the most common form of SMA (chromosome 5 SMA, or SMN …
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 - WebMD
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 Muscular Atrophy (SMA): Types, Symptoms, Causes
Sep 20, 2023 · Spinal muscular atrophy (SMA) is a genetic disease that causes muscle weakness, making it difficult to stand, walk, move the arms and head, and even breathe or …
Spinal muscular atrophy (SMA) - NHS
Spinal muscular atrophy (SMA) is a rare genetic condition that can cause muscle weakness. It gets worse over time, but there are medicines and other treatments to help manage the …
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.
Spinal Muscular Atrophy (SMA) - Boston Children's Hospital
Spinal muscular atrophy (SMA) is a rare hereditary genetic condition in which muscles throughout the body are weakened because nerve cells in the spinal cord and brainstem do not work …