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Neuromuscular junction (steps)
1) ACh fuses with plasma membrane and is released
2) ACh binds to a receptor protein which is a chemically gated ion channel (nAChR)
Cations (sodium) flow into the muscle cell -> small membrane depolarisation
3) Voltage gated sodium channels open and elicit an action potential
4) ACh is degraded by the enzyme acetylcholine-esterase AChE
2) ACh binds to a receptor protein which is a chemically gated ion channel (nAChR)
Cations (sodium) flow into the muscle cell -> small membrane depolarisation
3) Voltage gated sodium channels open and elicit an action potential
4) ACh is degraded by the enzyme acetylcholine-esterase AChE
Flashcard info:
Author: szara
Main topic: Biology
Topic: Neurobiology
School / Univ.: Universität Osnabrück
City: Osnabrück
Published: 03.05.2010