HA	Hyaluronic acid
G′	Storage modulus (elastic modulus)
G″	Loss modulus (viscous modulus)
tan δ	Loss factor
τ (tau)	Shear stress
γ (gamma)	Shear deformation
ω (omega)	Angular frequency
LVR	linear viscoelastic range
DV10	Gel particle diameter below which 10% of the total sample volume is contained
DV50	Median gel particle diameter (50% of particle volume is below this size)
DV90	Gel particle diameters below which 90% of the total sample volume is contained
DV90–10	Difference between DV90 and DV10 (particle size range of the central 80% of the volume)
PBS	Phosphate-buffered saline
BDDE	1,4-Butanediol diglycidyl ether
RSD	Relative standard deviation
G	Gauge (used for needle size, e.g., 27 G)
TW	Thin wall (needle type)
UTW	Ultra-thin wall (needle type)