axo-dendritic - Definition. Was ist axo-dendritic
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Was (wer) ist axo-dendritic - definition

NEURON PROJECTION THAT HAS A SHORT, TAPERING, OFTEN BRANCHED, MORPHOLOGY, RECEIVES AND INTEGRATES SIGNALS FROM OTHER NEURONS OR FROM SENSORY STIMULI, AND CONDUCTS A NERVE IMPULSE TOWARDS THE AXON OR THE CELL BODY
Dendrites; Dendrons; Dendritic branch; Dendritic arborization; Dendritic branching; Dendritic tree
  • The neuron contains dendrites that receives information, a cell body called the soma, and an axon that sends information. Schwann cells make activity move faster down axon. Synapses allow neurons to activate other neurons. The dendrites receive a signal, the axon hillock funnels the signal to the initial segment and the initial segment triggers the activity (action potential) that is sent along the axon towards the synapse. Please see [https://www.learnbio.org/neuron.html learnbio.org] for interactive version
  • 277px
  • The green arrow shows the dendrites emanating from soma

Dendritic cell         
  • Histologic comparison of cell types in a [[germinal center]], including follicular dendritic cells, H&E stain:<br>- '''[[Centrocyte]]s''' are small to medium size with angulated, elongated, cleaved, or twisted nuclei.<br>- '''[[Centroblast]]s''' are larger cells containing vesicular nuclei with one to three basophilic nucleoli apposing the nuclear membrane.<br>- '''[[Follicular dendritic cell]]s''' have round nuclei, centrally located nucleoli, bland and dispersed chromatin, and flattening of adjacent nuclear membrane.
SPECIALIZED CELLS OF THE HEMATOPOIETIC SYSTEM WITH BRANCH-LIKE EXTENSIONS
Dendritic cells; Dendritic Cell; Dendritic-cell; Dendritic cells, follicular; Myeloid dendritic cell; Myeloid dendritic cells; Interdigitating reticular cell; Tumour-infiltrating dendritic cell; Conventional Dendritic Cell; Branched cell; Conventional dendritic cell
Dendritic cells (DCs) are antigen-presenting cells (also known as accessory cells) of the mammalian immune system. Their main function is to process antigen material and present it on the cell surface to the T cells of the immune system.
Follicular dendritic cells         
  • Histologic comparison of cell types in a [[germinal center]], H&E stain:<br>- '''[[Centrocyte]]s''' are small to medium size with angulated, elongated, cleaved, or twisted nuclei.<br>- '''[[Centroblast]]s''' are larger cells containing vesicular nuclei with one to three basophilic nucleoli apposing the nuclear membrane.<br>- '''[[Follicular dendritic cell]]s''' have round nuclei, centrally located nucleoli, bland and dispersed chromatin, and flattening of adjacent nuclear membrane.
CELL TYPE
Follicular dendritic cell; Follicular Dendritic Cell
Follicular dendritic cells (FDC) are cells of the immune system found in primary and secondary lymph follicles (lymph nodes) of the B cell areas of the lymphoid tissue. Unlike dendritic cells (DC), FDCs are not derived from the bone-marrow hematopoietic stem cell, but are of mesenchymal origin.
Dendritic spine         
  • Experience-dependent spine formation and elimination
SMALL, MEMBRANOUS PROTRUSION FROM A DENDRITE THAT FORMS A POSTSYNAPTIC COMPARTMENT
Dendritic spines
A dendritic spine (or spine) is a small membranous protrusion from a neuron's dendrite that typically receives input from a single axon at the synapse. Dendritic spines serve as a storage site for synaptic strength and help transmit electrical signals to the neuron's cell body.

Wikipedia

Dendrite

Dendrites (from Greek δένδρον déndron, "tree"), also dendrons, are branched protoplasmic extensions of a nerve cell that 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 via 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.