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Where is the motor neuron cell located?
Motor neuron cells are located within the central nervous system (CNS), specifically in the spinal cord and brain. They are responsible for transmitting signals from the brain to muscles and glands to control movements and various bodily functions.
Are spinal nerves primarily sensory or motor in function?
Spinal nerves have both sensory and motor functions. They carry sensory information from the body to the brain and transmit motor signals from the brain to the muscles to control movement.
Where is the motor neuron located?
The motor neuron cells are all in the brain and the spinal cord.
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.
What is the spinal cord a extension of?
The spinal cord is an extension of the brain, specifically the brainstem. It serves as a major pathway for communication between the brain and the rest of the body, transmitting sensory and motor signals to and from the brain.
Spinal nerves are purely sensory and motor?
Spinal nerves are mixed nerves, meaning they contain both sensory and motor fibers. Sensory fibers transmit information from the body to the brain, while motor fibers carry signals from the brain to muscles, glands, and other effector organs. This dual function allows spinal nerves to both receive sensory input and initiate motor output.
What is the disease that destroys the motor neurons in the brain or spinal cord?
Poliomyelitis
What are the two pathways by which messages are transmitted?
1 sensory organ - sensory nerves - spinal cord - brain 2 brain - motor nerves - spinal cord - muscles
Where does the spinal cord have gray matter?
The grey matter on a spinal cord is on the spinal roots.
Spinal reflexes are produced in what?
Introduction. Spinal cord reflexes are simple behaviors produced by central nervous system (CNS) pathways that lie entirely within the spinal cord. The sensory afferent fibers that evoke these reflexes enter the spinal cord and activate spinal motor neurons directly or through a chain of one or more spinal interneurons
What function do the motor neurons play in the nervous system?
Motor neurons send messages from the brain or spinal cord to the body.
