Q	Flow rate	$\frac{{\mathrm{m}}^3}{\mathrm{s}}$ or $\frac{\mathsf{\mu }\mathrm{L}}{\min }$
$\eta$	Viscosity	Pa·s
$\rho$	Density	$\frac{\mathrm{kg}}{{\mathrm{m}}^3}$
$\dot{\gamma }$	Shear rate	s−1
$\sigma$	Shear stress	Pa
$\nabla P$	Pressure gradient	Pa/m
$\Delta P$	Pressure drop	Pa
$P_{cap}$	Capillary pressure	Pa
$P_{hyd}=\rho gH$	Hydrostatic pressure	Pa
g	Acceleration of gravity	$\frac{\mathrm{m}}{{\mathrm{s}}^2}$
H	Column height	m
h	Position	m
$\dot{h}$	Mean velocity	$\frac{\mathrm{m}}{\mathrm{s}}$ or $\frac{\mathsf{\mu }\mathrm{m}}{\mathrm{s}}$
$v_t$	Velocity in the tube	$\frac{\mathsf{\mu }\mathrm{m}}{\mathrm{s}}$
$v_c$	Velocity in the channel	$\frac{\mathrm{m}}{\mathrm{s}}$
$l_c$	Channel length	m
w	Channel width	m
b	Channel height, gap, or depth	μm
$l_t$	Tube length	m
r	Tube radius	m
${\eta }_0$	Blood plasma viscosity	Pa·s
${\eta }_{eff}$	Effective viscosity
m	Consistency index
n	Viscosity exponent
$K(m,n)$	Generalized consistency index
${\eta }_{htc}$	Normalized viscosity to hematocrit
$\varphi$	Red blood cells concentration
$[\eta ]$	Intrinsic viscosity
${\varphi }_{max}$	Maximum packing fraction
$C_0$	Characteristic number
$E_0$	Bending energy of a healthy RBC	J
d	Mean diameter of a RBC	μm
${\dot{\gamma }}_0$	Effective shear rate	s−1
$\kappa$	Variation coefficient
${\sigma }_w$	Wall stress	Pa
${\dot{\gamma }}_w$	Wall shear rate	s−1