The level 3 ITEC certificate in Anatomy, Physiology and Pathology is the foundation training for many therapies including massage, reflexology, bowen, yoga and scenar. This blog outlines the basics for the nervous system.
FUNCTION
To transmit information
To receive and respond to stimuli
Maintain homeostasis
There are 3 divisions:
Central Nervous System:
Brain
Spinal cord
Peripheral Nervous System:
Cranial nerves
Spinal nerves
Autonomic Nervous System:
Sympathetic branch
Parasympathetic branch
THE NEURON
Basic unit of nervous system
Combine to form nerves
3 types:
Sensory - afferent
Connectors
Motor – efferent
Impulses travel in one direction
Synapse is a junction between two neurones
Neuro-transmitters – Chemicals produced by axon terminals to enable or inhibit a nerve impulse to travel across synapse
Myelin Sheath – Fatty insulating coating on some neurons
Nodes of Ranvier – Indentations in myelin sheath at certain points
Neurilemma- Fine membrane covering myelin sheath
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- Sheila Styles -
GM Tree Training Ltd
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Frome
Somerset BA11 2LG
United Kingdom
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