Table 2.

Mean distances (mm) ± SE between the origins of the three branches of the aortic arch in mice and younger and older men.

Branch	Mice	Younger men	Older men
Brachiocephalic trunk – left common carotid artery	0.96 ± 0.06	12.23 ± 0.62	16.62 ± 3.32
Left common carotid artery – left subclavian artery	1.21 ± 0.04	21.20 ± 2.03	21.28 ± 4.11