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Reference.org
Muscle-type nicotinic receptor
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<p>The muscle-type nicotinic receptor is a type of <a href="/facts/Nicotinic_acetylcholine_receptor/k2s2pPHr">nicotinic acetylcholine receptor</a> consisting of the subunit combination (α1)2β1δε (adult receptor) or (α1)2β1δγ (fetal receptor). These receptors are found in <a href="/facts/Neuromuscular_junction/Rkcqwqht">neuromuscular junctions</a>, where activation leads to an <a href="/facts/Excitatory_postsynaptic_potential/fh6J3sUm">excitatory postsynaptic potential (EPSP)</a>, mainly by increased <a href="/facts/Sodium/eYuSPu2V">Na+</a> and <a href="/facts/Potassium/5lcumVgo">K+</a> permeability. </p>