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Neurones

There are three types of neurones:
  • sensory neurones
  • motor neurones
  • relay neurones
All neurones have a cell body, dendrons and axons. The cell body contains a nucleus and organelles and is connected to extensions of the cell body and long fibres called dendrons and axons.

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Specification: OCR Biology A (H420), A-level, 5.1.3 Neuronal communication. Topic: Neuronal Communication.

Key terms in this lesson

ATP
Adenosine triphosphate, the universal energy currency of cells, which releases energy for cellular reactions when hydrolysed to ADP and inorganic phosphate.

More in Neuronal Communication

All 38 lessons in Neuronal Communication · All OCR A-level Biology topics