Receptor, Muscarinic M2

**Definition:** A specific subtype of muscarinic receptor found in the lower BRAIN, the HEART and in SMOOTH MUSCLE-containing organs. Although present in smooth muscle the M2 muscarinic receptor appears not to be involved in contractile responses.

**Tree numbers:** - D12.776.543.750.695.475.200 - D12.776.543.750.720.360.500.200

**Synonyms:** - Muscarinic Receptors M2 - Muscarinic Receptor M2 - Receptors, Muscarinic M2