Table 1.

Mean diameters (mm) ± SE of the various segments of the thoracic aorta and its main branches of mice and younger and older men.

Vessel	Mice	Younger men	Older men
Ascending aorta	0.82 ± 0.01	27.48 ± 1.37	35.13 ± 2.75
Aortic arch	1.06 ± 0.02	22.74 ± 0.97	26.35 ± 1.00
Descending aorta	0.74 ± 0.02	20.36 ± 0.58	27.96 ± 0.72
Brachiocephalic trunk	0.54 ± 0.02	11.38 ± 0.31	16.68 ± 1.52
Left common carotid artery	0.35 ± 0.02	7.53 ± 0.34	7.72 ± 0.91
Left subclavian artery	0.38 ± 0.02	10.11 ± 0.41	10.91 ± 0.83