Table 1.

Comparison of microcirculatory morphological parameters with available and relevant data obtained from rats and mice

Microcirculation
Species	Imaging technique	Radius (μm)	Length (μm)	Tortuosity	Porosity (%)	Reference
Rat	3D confocal microscopy	4.6 ± 0.2	20.1 ± 1.4	1.3 ± 0.02	21.2 ± 0.6	Peeters et al. (2016)
Rat	Intravital fluorescence microscopy	3.9 ± 1.4				Li et al. (2010)
Rat	Intravital fluorescence microscopy	4.25 ± 0.05				Vollmar et al. (1998)
Rat	In vivo fluorescence microscopy	3.2 ± 0.05 – 4.15 ± 0.1				Komatsu et al. (1990)
Rat	Scanning electron microscopy	2.95 ± 0.09 – 3.55 ± 0.15				Wisse et al. (1985)
Rat	Serial photomicrography	3.15 ± 0.06				Koo et al. (1975)
Mouse	3D confocal microscopy	4.8 ± 2.25	23.93 ± 5.9		15.3 ± 3.9	Hammad et al. (2014)
Mouse	3D confocal microscopy	4.75 ± 2.25	16.45 ± 4.22			Hoehme et al. (2010)
Mouse	High‐resolution in vivo microscopy	2.95 ± 0.05 – 3.65 ± 0.05				MacPhee et al. (1995)