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Organ physiology
Organ physiology - neurons
Question | Answer |
---|---|
what do neuroglia do? | assist, protect, and support neurons |
What do neural crest cells do? | maintenance and healing of nervous system |
What are the 3 main parts of a neuron? | Dendrites, cell body, and axon |
Do dendrites conduct impulses towards or away from the cell body? | towards |
Do axons conduct impulses towards or away from the cell body? | away |
What do dendrites do? | branch out and receive signals from other neurons |
What do axons do? | sends an electrical signal to other neurons, ends in a pre-synaptic cleft |
Describe a synapse and it's function | Has a pre-synaptic and post synaptic cleft. electrical or chemical signals are transmitted across the gap and communicate with other neurons |
What is a bipolar neuron | relates sensory information from receptor cells to neurons. has one dendrite and one axon. cell body in middle |
what is a unipolar neuron | most sensory neurons, has 1 dendrite and 1 axon with continuous link, cell body off to the side |
what is a multipolar neuron | motor neurons that control the skeletal system. has multiple dendrites and one axon |