Coordination & Control
- Created by: Iesha Harvey-chapman
- Created on: 07-03-12 14:33
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There are 3 types of neurones. Sensory, motor and relay.
The motor neurone, this transmits impulses to the appropriate effectors, whether this is a muscle or a gland. The various parts of this neurone are as follows:
- Cell Body – contains the nucleus and most of the other cell organelles e.g. mitochondria
- Axons – conduct nerve impulses, they can be myelinated or unmyelinated
- Myelin Sheath – consists mainly of lipids and surround the axon.. it is formed from Schwann cells and provides electrical insulation.
- Nodes of Ranvier – these are gaps in the myelin sheath along the axon
- Synaptic…
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