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Do the spinal nerves branch off of the spinal cord?
Yes, some spinal nerves do branch off of the spinal cord, so the nerves can collect the messages for the body.
What is formed by the spinal nerves exiting the cord from the level of L4 to S4?
Spinal nerves exiting the spinal canal between L4 and S4 collectively make up the sacral plexus.
From where do the nerves branch out?
Nerves branch out from the spinal cord.
What branch of a spinal nerve supplies the vertebrae and blood vessels of the spinal cord?
meningeal branch
What is the neuron inside the spinal cord?
Alpha motor neurons (α-MNs) are large lower motor neurons of the brainstem and spinal cord.
Spinal nerves exiting the cord from the level of L4 to S4?
Spinal nerves exiting the cord from the level of L4 to S4 supply motor and sensory innervation to the lower extremities, including the buttocks, thighs, legs, and feet. They contribute to functions such as walking, standing, and bladder control. Damage to these nerves can lead to symptoms such as weakness, numbness, and pain in the lower body.
Nervouse systeem consists of the brain and spinal cord?
Yes, plus all of the millions of nerves which branch off of the spinal cord.
Are motor neuron cells bodies located in the gray or white matter of the spinal cord?
the white matter
How are the functions of the brain and spinal cord different?
There is upper motor neuron in spinal cord. There is lower motor neuron in the spinal nerve.
What is the result when a virus destroys the motor neurons in the spinal cord or brain?
It depends on what part of the brain or spinal cord. If it is in the brain it can cause death or complete paralysis, if it is in the spinal cord e.g. Lower part of the spinal cord you are paralysed from the hips down.
Starting from the spinal cord trace a motor pathway to the adductor muscle of the thigh Include the spinal cord root spinal nerve nerve plexus and specific peripheral nerve involved in the pathway?
starting in the spinal cord, trace a motor pathway to the adductor muscles of the thigh. Include the spinal cord root, spinal nerve, nerve plexus, and specific peripheral nerve involved in the pathway
What is a spinal nerve?
A spinal nerve which carries motor, sensory, and autonomic signals between the spinal cord and the body.
