I need helping finding a picture of nerve stimulation (neuron stimulates a muscle fiber through a series of steps)!
Since this is not my area of expertise, I searched Google under the key words "neuron muscle picture" to get these possible sources:
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http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/E/ExcitableCells.html
http://www.life.uiuc.edu/crofts/bioph354/lect16&17.html
http://faculty.stcc.edu/AandP/AP/AP1pages/Units5to9/Unit7/motor.htm
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search.
I hope this helps. Thanks for asking.