ACTH	Adrenocorticotropic hormone
AVP	Arginine vasopressin
AVT	Arginine vasotocin
AVTr	AVT receptor
BH4	Tetrahydrobiopterin
CaM	Calmodulin
CNS	Central nervous system
CNSS	Caudal neurosecretory system
CRH	Corticotropin-releasing hormone
CRF	Corticotropin-releasing factor
CSF	Cerebrospinal fluid
FAD	Flavin adenine dinucleotide
FMN	Flavin mononucleotide
FW	Fresh water
GH	Growth hormone
HNS	Hypothalamo-neurohypophysial system
iNOS	Inducible NOS
ir	Immunoreactive
IT	Isotocin
ITr	Isotocin receptor
NADPH	Nicotinamide adenine dinucleotide phosphate
NADPHd	NADPH diaphorase
NBT	Nitro blue tetrazolium chloride
NIL	Neurointermediate lobe
nNOS	Neuronal NOS
NO	Nitric oxide;
NOS/Nos	NO synthase
NO synthases	NOSs
OXT	Oxytocin
PDZ	PSD-95/Discs Large/ZO-1
pHy	Periventricular hypothalamus
Pm	Magnocellular preoptic nucleus
POR	Preoptic region
Pp	Parvocellular preoptic nuclei
PRL	Prolactin
PSD95	Postsynaptic density protein 95
PVO	Paraventricular organ
RPD	Rostral pars distalis
SON	Supraoptic nucleus
SW	Salt water
UCN	Urocortins
UI	Urotensin I
UII	Urotensin II
URPs	UII-related peptides