ACh	Acetylcholine
ANS	Autonomic nervous system
SNS	Sympathetic nervous system
PNS	parasympathetic nervous system
NNA	a non-neuronal ACh
NNCCS	non-neuronal cardiac cholinergic system
CHT1	choline transporter
ChAT	choline acetyltransferase
VAChT	vesicular ACh transporter
TST	tail suspension test
FST	Forced swimming test
NTS	The nucleus of the solitary tract
NO	Nitric oxide
NOS	NO synthase
VN	vagus nerve
WT	wild type
VNS	Vagus nerve stimulation
BBB	blood brain barrier
LC	locus coeruleus