STRUCTURE OF NEURON

PART FUNCTION

AXON Carry nerve impulses away from cell

DENDRITES Carry nerve impulse towards nerve cell

SCHWANN’S CELL Protective myelin sheath around the axon of medullated nerve fibers.

NUCLEUS Control the activity of cell

MYELIN SHEATH -Protection of the nerve fibre.-Insulation of the nerve fibre.-Increases the rate of transmission of nerve impulses.

NODES OF RANVIER -Allowing nutrients and waste products to enter/leave the neurone.-Allowing nerve impulses to move along the neurone through a process of de-polarisation and re-polarisation of the nerve membrane.

SYNAPSE Reaching a synapse, an impulse causes the release of a neurotransmitter, which diffuses across the gap and triggers an electrical impulse in the next neurone