Neostigmine is used to treat myasthenia gravis because it inhibits the breakdown of this substance.  
Neostigmine is used to treat myasthenia gravis because it inhibits the breakdown of this substance.  Curare is a competitive inhibitor of it for N1 nicotinic receptors, causing paralysis.  It is released from all pre-ganglionic sympathetic and parasympathetic neurons and from all post-ganglionic parasympathetic neurons.  Synthesized from two common biological molecules, one of which is bound to co-enzyme A, FTP, name this neurotransmitter.
Neostigmine is used to treat myasthenia gravis because it inhibits the breakdown of this substance.  
acetylcholine