Page 80 - 84 human physiolofy part-1

Chapter 4

Long Term Memory: used for storage of information over a long time

Myelin: a fatty substance that surrounds and insulates the nerve fibers and facilitates the
conduction of the nerve impulse transmissions

Multiple Sclerosis: disease that affects the CNS by causing hardening and scaring of the myelin

Nodes of Ranvier: unmyelinated gaps between sections of myelin

Peripheral Nervous System: a way of communication from the central nervous system to the rest
of the body by nerve impulses that regulate the functions of the human body

Postganglionic Cells: have their cell bodies in the ganglia and send their axons to target organs or
glands

Sensory Receptor: structure that can find any kind of change in it's surroundings or environment

Somatic Nervous System: the part of the peripheral nervous system associated with the voluntary
control of body movements through the action of skeletal muscles, and also reception of external
stimuli

Synapses: the gap between two neurons; new synapses lead to learning

References

http://action.painfoundation.org/site/News2?page=NewsArticle&id=5135&security=1&news_iv_c
trl=1061 Esther Wednesday, October 19, 2005

http://www.neurologychannel.com/multiplesclerosis/

http://www.theraj.com/ms/casestudy.html

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80 | Human Physiology