Nervous System Pathway: From Brain to Muscle via Spinal Cord and Motor Neuron #3774362 (License: Personal Use)

The image depicts a core somatic motor pathway: the brain initiates a signal that travels down the spinal cord, where it synapses with a motor neuron in the ventral horn of the gray matter; the motor neuron then extends its axon to innervate skeletal muscle fibers, triggering contraction. Key anatomical structures-including the cerebral cortex (implied), spinal cord cross-section, motor neuron cell body and axon, and striated muscle-are color-coded for clarity. Arrows indicate unidirectional signal flow from CNS to effector organ.

Used in educational web pages about neuroscience, physiology, or anatomy-especially for explaining reflex arcs, voluntary movement, or neuromuscular disorders. Matches user intent seeking foundational knowledge of how the nervous system controls muscles.