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- Dendrite abstract "Dendrites (from Greek δένδρον déndron, "tree") are the branched projections of a neuron that act to propagate 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 (usually their axons) via synapses which are located at various points throughout the dendritic tree. Dendrites play a critical role in integrating these synaptic inputs and in determining the extent to which action potentials are produced by the neuron.Dendrites are not to be confused with dendritic cells, since the long outgrowths on immune system dendritic cells are also called dendrites. These dendrites do not process electrical signals. Dendritic cells are antigen-presenting cells in the mammalian immune system.Dendrites are one of two types of protoplasmic protrusions that extrude from the cell body of a neuron, the other type being an axon. Axons can be distinguished from dendrites by several features including shape, length, and function. Dendrites often taper off in shape and are shorter, while axons tend to maintain a constant radius and be relatively long. Typically, axons transmit electrochemical signals and dendrites receive the electrochemical signals. Although, some types of neurons in certain species lack axons and simply transmit signals via their dendrites.Dendritic branching is also called "dendritic arborization" and "dendritic ramification."Certain classes of dendrites (i.e. Purkinje cells of cerebellum, cerebral cortex) contain small projections referred to as "appendages" or "spines". Appendages increase receptive properties of dendrites to isolate signal specificity. Increased neural activity at spines increases their size and conduction which is thought to play a role in learning and memory formation. There are approximately 200,000 spines per cell, each of which serves as a postsynaptic process for individual presynaptic axons. The average dendrite is 100 µm in length. The morphology of dendrites such as branch density and grouping patterns are highly correlated to the function of the neuron. Malformation of dendrites is also tightly correlated to impaired nervous system function.".
- Dendrite thumbnail Complete_neuron_cell_diagram_en.svg?width=300.
- Dendrite wikiPageExternalLink main?stype=lite&keyword=dendritic%20tree&Submit=Go&event=display&start=1.
- Dendrite wikiPageExternalLink sdt_rsi_2011_dendrites.pdf.
- Dendrite wikiPageID "8131".
- Dendrite wikiPageRevisionID "606698985".
- Dendrite hasPhotoCollection Dendrite.
- Dendrite subject Category:Cellular_neuroscience.
- Dendrite subject Category:Neurons.
- Dendrite subject Category:Neurophysiology.
- Dendrite comment "Dendrites (from Greek δένδρον déndron, "tree") are the branched projections of a neuron that act to propagate 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 (usually their axons) via synapses which are located at various points throughout the dendritic tree.".
- Dendrite label "Dendriet (neurologie)".
- Dendrite label "Dendrit (Biologie)".
- Dendrite label "Dendrita".
- Dendrite label "Dendrite (biologia)".
- Dendrite label "Dendrite (biologie)".
- Dendrite label "Dendrite".
- Dendrite label "Dendrito".
- Dendrite label "Dendryt (biologia)".
- Dendrite label "Дендрит".
- Dendrite label "زائدة شجرية".
- Dendrite label "树突".
- Dendrite label "樹状突起".
- Dendrite sameAs Dendrit.
- Dendrite sameAs Dendrit_(Biologie).
- Dendrite sameAs Dendrita.
- Dendrite sameAs Dendrita.
- Dendrite sameAs Dendrite_(biologie).
- Dendrite sameAs Dendrit.
- Dendrite sameAs Dendrite_(biologia).
- Dendrite sameAs 樹状突起.
- Dendrite sameAs 수상돌기.
- Dendrite sameAs Dendriet_(neurologie).
- Dendrite sameAs Dendryt_(biologia).
- Dendrite sameAs Dendrito.
- Dendrite sameAs m.028fn.
- Dendrite sameAs Q14326015.
- Dendrite sameAs Q14326015.
- Dendrite wasDerivedFrom Dendrite?oldid=606698985.
- Dendrite depiction Complete_neuron_cell_diagram_en.svg.
- Dendrite isPrimaryTopicOf Dendrite.