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  • Neuron is the structural and functional unit of Nervous tissues.

  • Neurons have the least power of regeneration.

  • Structure of Neuron consist of 3 parts:-

1. Dendrites/ Dendrons 2. Cyton (Cell body/ Soma) 3. Axon

  • Cyton of Neurons have groups of ribosomes and RER called Nissil's Granules.

  • Long fibre of the Neuron is called Axon which can be grey (non-myelinated) or white (myelinated).

  • Myelin Sheath is secreted by Schwann cells.

  • Cytoplasm of Axon is called Axoplasm and its cell membrane is called Axolemma.

Labelled diagram of a Neuron

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