Nerve cells and their support system

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Presentation transcript:

Nerve cells and their support system Nervous tissue Nerve cells and their support system

A few terms

Divisions http://www.faqs.org/health/images/uchr_02_img0126.jpg http://sciencecity.oupchina.com.hk/biology/student/glossary/img/peripheral_nervous_system.jpg http://www.faqs.org/health/images/uchr_02_img0126.jpg

Nervous system function – control center of the body

Neurons (nerve cells)

Glial cell

Myelin sheath https://mywebspace.wisc.edu/kajacobson3/web/MS21/images/myelin.jpg

Types of neurons http://webanatomy.net/anatomy/neuron_functions.jpg

Nerve impulse – Action Potential http://www.argosymedical.com/flash/firing_of _nuerons/landing.html

Synapse http://shp.by.ru/spravka/neurosci/synapse.gif

Types of synapses

Neurotransmitters

All or nothing

Neuron repair

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