Muscarinic acetylcholine receptors are actylcholine receptors and they are important for biochemistry.
== Form of muscarinic receptors ==Muscarinic acetylcholine receptors belong to a class of metabotropic receptors that use G proteins as their signaling mechanism
 Their counterparts are nicotinic acetylcholine receptors (nAChRs), receptor ion channels that are also important in the autonomic nervous system

