Action Potential

Dwayne Culver Lab Report 1 Biol 2401 Eliciting a Nerve scabies (Frog Sciatic Nerve) Introduction Whenever a look cellular scream necessarily to send a message to any deviate of the soundbox (animals or humans), something c e realed an carry through potential is generated. This is a temporary lurch in galvanising potential that occurs amongst the inside and the out of doors of a gist when a kindling thirst is transmitted. During the action potential, part of the neural membrane opens to take verifyingly super charged ions inside the cell and negatively charged ions out. This process causes a rapid increase in the positive charge of the nerve fiber. This electrical impulse is carried down the nerve through a series of action potentials. In the hobby experiments I investigated how electrical stimuli would elicit a nerve impulse (action potential) and the effects of the toxin curare and lidocaine. In the first experiment I patently employ a measured, electrical stimulus to the sciatic nerve from a frog until I reached a hitch called scepter. Once threshold was reached, the action potential was generated and could non be halt overdue to it being an all or zip fastener phenomenon. I could therefore measure and record the results using the oscilloscope.

The oscilloscope as well helped us to determine the difference in charge crossways the cell membrane, or the resting membrane potential (RMP). Since nerve cells sure rest of many neurons, the action potential I tried and true is actually referred to as a compound action potential. This simply way of life that I! measured the action potentials of all the neurons in the nerve, not just one. By learning what is overly much or too little of a stimuli and putt precise measurements to such(prenominal) findings I can learn more nearly the privileged working of our nerve cells and neurons I hope to battle array , or explain, what exactly causes a the all or nothing phenomenon cognize as the action potential. The second experiment was very identical to first,...If you want to get a full essay, inn it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper