Dendrites are small branched fibres originating from central Cell body of a Neuron. They help in conduction of signal received from other neurons towards the Cell Body of their neuron.
Anterior
Cerebellum CerebrumCervical LumbarMedulla Oblongata Pons Spinal Cord Temporal Lobe SacralThoracic Axon Axon TerminalsDendrite Myelin Sheath Nucleus Pulposus Gray Matter Spinal Nerve White Matter Corpus CallosumFrontal LobeHypothalamus Occipital Lobe Parietal Lobe Thalamus
STRUCTURE Dendrites are present only at margins of the Cell Body seen as small projections. They are not myelinated. Dendrites usually have Synapses at their ends. Synapse is a junction between adjacent neurons which transmits nerve impulse from one to another. Dendrites have Voltage-gated Ion Channels which produce and transmit nerve impulse in form of an electrical potential. FUNCTION AND SIGNIFICANCE Dendrites carry nerve impulse, transmitted to them via another neuron (Axon mostly) through synapse, towards the Cell Body of the Neuron. It is done in form of an action potential generated in response to Synaptic Stimuli. Dendrites determine the integration of input signals from other neurons by amount of their branching and number of synapses. Dendrites are also involved in release of Neurotransmitter according to new research. Dendrites can undergo changes in their structure and this is thought to aid in memory formation.
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