Nomenclature

Molecular:

m1

m2

m3

m4

m5

Pharmacological:

M1

M2

M3

Selective antagonists:

Pirenzepine

AF-DX 116

HHSiD

-

-

Telenzepine

Gallamine

p-F-HHSiD

Tissue distribution:

Brain

Heart

Exocrine glands

Lung

Autonomic ganglia

Smooth muscle

Smooth muscle

Striatum

Olfactory tubercle