From nerve signal to contraction When an action potential reaches the motor neuron terminal, voltage-gated calcium channels open, triggering ACh release into the cleft. ACh binds to receptors on the ...

Whether you’re preparing for your first anatomy exam or gearing up for the USMLE Step 1, a solid grasp of nerve and muscle physiology is essential. From the structure of a neuron to the firing of ...

If you have upper motor neuron lesions, you have damage to certain nerve cells that help you move. Medicines and therapy can help control symptoms like muscle spasms and help you walk and talk more ...

MIT scientists find that motor neuron growth increased significantly over 5 days in response to biochemical (left) and mechanical (right) signals related to exercise. The green ball represents cluster ...