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What are the short fibers that extend from the neuron called?
The short fibers that extend from a neuron are called dendrites. Dendrites receive signals from other neurons and transmit them to the cell body of the neuron.
Through which part of the neuron does an impulse leave the cell?
An impulse leaves the neuron through the axon, which is a long projection that carries electrical signals away from the cell body to other neurons or cells.
What are neuron's short arms called?
Neuron dendrites are the short arm-like extensions that receive signals from other neurons. They are responsible for transmitting these signals to the cell body.
Which part of the neuron is responsible for generating a nerve impulse?
The axon is responsible for generating and transmitting a nerve impulse. It is a long, slender projection of the neuron that carries the electrical signal away from the cell body towards other neurons or muscles.
What is a short hair like projection on a cell's surface that are composed of microtubules?
flagella
What are the short strands branching out from a neuron that carries messages to the cell body?
dendrites
Short hairlike projection called enablethe motion of some eukaryotic cells?
flagella
What are the short strands branching out from a neuron that carry message to the cell body called?
dendrites
What is Melzack and Wall's gate control theory?
Melzack and Wall's gate control theory is essentially the idea that there are large myelinated fibers that synapse onto the projection neuron. When pain is sensed, this projection neuron normally has increased activity, which activates a C fiber (an unmyelinated type of fiber that is responsible for the transmission of prolonged, dull pain). If the large myelinated fibers are stimulated, though, causing an increase in their activity, they activate an inhibitory interneuron which inhibits the activity in the C fiber and the projection neuron, cutting of the signal of pain. So, the idea is, if the large fibers remain unstimulated, the pain signal will be propagated, but if they are activated, they act as an electrical gate, blocking the transmission of pain up the C fiber.
True or false a neuron can have only one axon?
True. Neurons typically have just one axon, which is the long projection that sends signals to other neurons, muscles, or glands.
What are short thin numerous projection from a cell that wave in a back and forth motion?
Cilia.
What is the difference between an axon and a dendrite?
An axon is a long, slender projection that carries signals away from the cell body of a neuron, while a dendrite is a shorter, branching projection that receives signals from other neurons. Axons transmit electrical impulses, while dendrites receive these impulses and transmit them towards the cell body.
