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Where does the nerve impulse travel from the reflex arc?
The nerve impulse typically travels from the sensory neuron to the spinal cord, where it is processed by interneurons, and then to the motor neuron to elicit a response from the effector organ or muscle.
Is the impulse transmission for the spinal nerve sensory or motor?
No
What is the nerve impulse pathway of a voluntary action?
The nerve impulse pathway of a voluntary action begins in the brain, where motor commands are generated in the motor cortex. These signals travel down the spinal cord through upper motor neurons, which synapse with lower motor neurons in the spinal gray matter. The lower motor neurons then send impulses through their axons to the skeletal muscles, causing contraction and movement. This entire process involves the integration of sensory feedback and coordination from various brain regions to execute the voluntary action smoothly.
How does motor impulse move througout the body?
Motor impulses travel through the body via the nervous system, primarily through motor neurons. When a signal is initiated in the brain or spinal cord, it travels down the axon of the motor neuron, which extends to the target muscle. At the neuromuscular junction, the impulse triggers the release of neurotransmitters, causing muscle fibers to contract and produce movement. This process allows for coordinated actions and responses throughout the body.
How does motor impulse move throughout the body?
Motor impulses travel from the brain through the spinal cord via motor neurons. When the brain sends a signal, it activates these neurons, which then transmit the impulse to muscle fibers at the neuromuscular junction. This process induces muscle contraction, allowing movement. The entire pathway relies on electrical signals and neurotransmitter release to facilitate communication between the nervous system and muscles.
What is the path of a voluntary impulse?
The path of a voluntary impulse begins in the brain, where the decision to initiate movement is made. This signal travels down the spinal cord through motor neurons, which transmit the impulse to the relevant muscles. The muscles then contract in response, resulting in voluntary movement. This process involves several regions of the brain, including the motor cortex, which coordinates and executes the action.
What is the direction of impulse for motor neurons?
Motor neurons carry impulses from the central nervous system to muscles or glands, resulting in a response such as muscle contraction or secretion of a substance. The direction of impulse for motor neurons is typically from the central nervous system (brain or spinal cord) to the target muscle or gland.
How does motor impulse move through the body?
Motor impulses are initiated in the brain and travel down the spinal cord through motor neurons. When a signal reaches the end of a motor neuron, it triggers the release of neurotransmitters at the neuromuscular junction, which stimulates muscle fibers to contract. This process enables coordinated movement by transmitting signals from the central nervous system to various muscles throughout the body. The entire pathway involves electrical signals along neurons and chemical signals at synapses.
What is the name of a neuron that transmits a neural impulse from the central nervous system through the spinal cord to a muscle?
The neuron that transmits a signal from the nervous system to an effector is a motor neuron.
What tracts do motor fibers travel in the spinal cord?
Motor fibers primarily travel in the corticospinal tract within the spinal cord, which is responsible for voluntary movement control. These fibers originate in the motor cortex of the brain and descend through the brainstem before decussating (crossing over) at the junction of the medulla and spinal cord. They then continue downward in the lateral corticospinal tract, influencing motor neurons that innervate skeletal muscles. Additionally, some motor fibers may travel in other tracts, such as the reticulospinal and vestibulospinal tracts, which are involved in reflexive and postural control.
What type of Impulse thravels through the anterior gray horn?
motor
What is the path of voluntary impulse?
The path of a voluntary impulse begins in the brain, where the decision to move is initiated in the motor cortex. This impulse travels down through the spinal cord via motor neurons, which then extend to the relevant muscles. Upon reaching the neuromuscular junction, neurotransmitters are released to stimulate muscle contraction, resulting in voluntary movement. This coordinated process allows for precise control of muscle action in response to conscious thought.
