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Questions and Answers
Which type of neurons carry electrical signals from receptors to the CNS?
Which type of neurons carry electrical signals from receptors to the CNS?
Where are the cell bodies of sensory neurons located?
Where are the cell bodies of sensory neurons located?
Which part of a neuron carries impulses away from the cell body?
Which part of a neuron carries impulses away from the cell body?
What is the main function of interneurons?
What is the main function of interneurons?
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Which part of a neuron contains the nucleus and most of the cytoplasm?
Which part of a neuron contains the nucleus and most of the cytoplasm?
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How many axons does each neuron typically have?
How many axons does each neuron typically have?
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What is the function of an interneuron?
What is the function of an interneuron?
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What is the role of Schwann cells in the peripheral nervous system?
What is the role of Schwann cells in the peripheral nervous system?
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What do axon terminals contain at a synapse?
What do axon terminals contain at a synapse?
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Where are the cell body and dendrites of sensory neurons located?
Where are the cell body and dendrites of sensory neurons located?
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What is the significance of synapses in neural transmission?
What is the significance of synapses in neural transmission?
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What are receptors and effectors in the context of neurons?
What are receptors and effectors in the context of neurons?
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Study Notes
Types of Neurons
- Sensory neurons carry electrical signals from receptors to the CNS.
Structure of Neurons
- Cell bodies of sensory neurons are located in dorsal root ganglia or in ganglia associated with cranial nerves.
- The axon carries impulses away from the cell body.
Cell Body
- The cell body (soma) contains the nucleus and most of the cytoplasm.
Interneurons
- Interneurons integrate and process information within the CNS.
- The main function of interneurons is to integrate and process information within the CNS.
Axons
- Each neuron typically has only one axon.
Synapses
- Axon terminals contain vesicles with neurotransmitters at a synapse.
- Synapses play a crucial role in neural transmission as they allow neurons to communicate with each other.
Peripheral Nervous System
- Schwann cells provide myelination and support to axons in the peripheral nervous system.
Receptors and Effectors
- Receptors detect stimuli, while effectors respond to stimuli in the context of neurons.
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Description
Learn about the 3 main types of neurons: Sensory Neurons, Motor Neurons, and Interneurons. Discover their functions and characteristics in transmitting electrical signals within the central nervous system.
