ACh	acetylcholine
BK channels	large conductance Ca2+-activated K+ channels
[Ca2+]i	intracellular Ca2+ concentration
cAMP	cyclic AMP
DAG	diacylglycerol
EC50	50% effective concentration
EFS	electrical field stimulation
EJP	excitatory junction potential
Emax	maximum response
G-proteins	GTP binding proteins
Ica	Ca2+ current
ICCs	interstitial cells of Cajal
InsP3	inositol 1,4,5-trisphosphate
KATP channels	ATP-sensitive K+ channels
KO	knockout
mIcat	mAChR-mediated cationic current
muscarinic acetylcholine receptors	mAChRs
NO	nitric oxide
NPY	neuropeptide Y
pEC50	negative logarithm of EC50
PGF2α	prostaglandin F2α
PIP2	phosphatidylinositol 4,5-bisphosphate
PKC	protein kinase C
PLC	phospholipase C
PTX	pertussis toxin
RASSL	Receptor Solely by Synthetic Ligand
STOCs	spontaneous transient outward currents
TRPC channels	Transient receptor potential canonical channels
VDCCs	voltage-dependent Ca2+ channels