ACh	Acetylcholine
MARCKS	myristoylated alanine-rich C kinase substrate
MLP-1	MARCKS-like Protein-1
HU	Hindlimb unweighting
HDT	Head down tilt
HSCs	Hematopoietic stem cells
IJV	Internal jugular vein
IST	International space station
MCA	Middle cerebral arteries
MSA	Mesenteric small arteries
TS	Tail suspended
mRNA	Messenger RNA
NE	Norepinephrine
NK	Natural killer cells
NO	Nitric oxide
NOS	Nitric oxide synthase
KCl	Potassium chloride
PRI	Platelet reactivity index
SATB2	Special AT rich sequence binding protein 2
VGCC	Voltage-gated calcium channels
VWF	Von Willibrand factor