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What role do dendrites play in transmission at chemical synapses?
Wiki User
∙ 9y ago
Dendrites are the beginning of action potentials as they are formed and then propagate through a neuron. At the synapse, the dendrites receive the incoming signal from neurotransmitters released at the terminal of the previous neuron.
Wiki User
∙ 9y ago
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What is a dendron?
•For the dendritic crystal structure, see Dendrite (crystal).•Structure of a typical neuron Dendrite•Dendrite•Soma•Axon•Nucleus•Node ofRanvier•Axon Terminal•Schwann cell•Myelin sheath• Neuroscience Portal•Dendrites (from Greek δένδρον déndron, "tree") are the branched projections of a neuron that act to conduct the electrochemical stimulation received from other neural cells to the cell body, or soma, of the neuron from which the dendrites project. Electrical stimulation is transmitted onto dendrites by upstream neurons via synapses which are located at various points throughout the dendritic arbor. Dendrites play a critical role in integrating these synaptic inputs and in determining the extent to which action potentials are produced by the neuron. Recent research has also found that dendrites can support action potentials and release neurotransmitters. This property was originally believed to be specific to axons.
Where do chemical messages originate from?
Chemical messages, also known as neurotransmitters, originate from the nerve cells in the brain or other parts of the nervous system. These chemical messengers are released at synapses, which are the junctions between nerve cells, to transmit signals from one nerve cell to another. Different neurotransmitters have specific functions and play a crucial role in regulating various physiological and cognitive processes in the body.
What is the function of the soma?
is where the signals from the dendrites are joined and passed on. The soma and the nucleus do not play an active role in the transmission of the neural signal. Instead, these two structures serve to maintain the cell and keep the neuron functional.
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