ANTERIOR HORN NEURONS Meaning and
Definition
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Anterior horn neurons are specialized nerve cells located in the front (anterior) region of the gray matter within the spinal cord. Also known as motor neurons or lower motor neurons, these cells play a crucial role in the process of sending signals from the central nervous system to the muscles.
Anterior horn neurons are responsible for controlling voluntary movements by transmitting electrical impulses from the spinal cord to the peripheral nervous system, which then activates the muscle fibers. These neurons have long extensions known as axons that carry signals away from the cell body and toward the muscles, while shorter projections called dendrites receive incoming signals from other neurons.
Damage or degeneration of anterior horn neurons can lead to certain neurological conditions, known as lower motor neuron diseases. Conditions such as amyotrophic lateral sclerosis (ALS), spinal muscular atrophy, and polio affect the function of these neurons, resulting in muscle weakness, atrophy, and loss of muscle control.
By studying anterior horn neurons and their function, researchers and healthcare professionals gain valuable insights into the mechanisms behind motor control, allowing for advancements in the diagnosis and treatment of lower motor neuron diseases.
Common Misspellings for ANTERIOR HORN NEURONS
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- anyerior horn neurons
- an6erior horn neurons
- an5erior horn neurons
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