Table 1.

Measured parameters of vascular canals of primary osteons, Haversian canals and secondary osteons in the femoral diaphysis of 9 female and 8 male juvenile rabbits.

Structure	Parameters	Sex	Mean	SD	P-value
Vascular canals of primary osteons	area (μm2)	females	173.16	64.63	0.016*
		males	194.81	54.44
	perimeter (μm)	females	41.27	7.87	0.004*
		males	44.47	7.11
	max. diameter (μm)	females	20.10	4.64	0.005*
		males	21.98	4.54
	min. diameter (μm)	females	6.74	1.44	0.132
		males	7.05	1.37
Haversian canals	area (μm2)	females	282.93	86.83	0.063
		males	243.09	66.27
	perimeter (μm)	females	54.51	9.83	0.256
		males	51.66	9.20
	max. diameter (μm)	females	27.00	5.94	0.612
		males	26.22	5.73
	min. diameter (μm)	females	8.25	1.63	0.016*
		males	7.31	0.89
Secondary osteons	area (μm2)	females	9470.55	2173.71	0.0002*
		males	7224.77	2472.21
	perimeter (μm)	females	481.15	65.51	0.0001*
		males	411.13	72.25
	max. diameter (μm)	females	231.38	44.82	0.0091*
		males	199.83	49.64
	min. diameter (μm)	females	52.69	9.79	0.0011*
		males	44.76	6.60

SD: standard deviation, * : P < 0.05