![]() Enlarged surface area to receive signals from axons of other nerve cells:.There are also special dendritic organelles: dendritic spines, dendritic swellings. The dendrites contain dendritic organelles: neurofilaments, neurotubules, endoplasmic reticulum, mitochondria, ribosomes (metabolic autonomy). They have high variability in the branching pattern and extent (characteristic for individual neuronal types): different numbers of axonal contacts (up to approximately 100 000) and different types of contacts (axo-shaft, axo-spine, dendro-dendritic). ![]() Postganglionic neurons of autonomic nervous system.ĭendrites (in Greek it means "tree") are branched protrusions from the neuron's soma that transmit post-synaptic potentials to it.
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