Contrast-Enhanced Microtomographic Characterisation of Vessels in Native Bone and Engineered Vascularised Grafts Using Ink-Gelatin Perfusion and Phosphotungstic Acid

Table 1

Bone volume fraction (BV/TV, no unit), trabecular thickness (Tb.Th., in mm), and trabecular spacing (Tb.Sp., in mm) of 1 mm³ of the proximal metaphysis, the distal metaphysis, and the proximal epiphysis of rat femurs and tibias. Averages and standard deviations of 10 samples are shown.

			Femur	SD	Tibia	SD
BV/TV (no unit)	Proximal	Epiphysis	0.448	0.104	0.286	1,000
		Metaphysis	0.386	0.092	0.358	0.12
	Distal		0.481	0.38	0.127	0.13
Tb.Th. mm	Proximal	Epiphysis	0.026	0.017	0.009	0.001
		Metaphysis	0.159	0.039	0.098	0.027
	Distal		0.151	0.143	0.041	0.048
Tb.Sp. mm	Proximal	Epiphysis	0.064	0.027	0.026	0.001
		Metaphysis	0.309	0.08	0.208	0.067
	Distal		0.233	0.344	0.023	0.178