Fig. (1) Measuring positions along the great intrathoracic arteries of a C57BL/6 mouse fetus of TS 22. a. 3D surface model of the great intrathoracic arteries from right. b. 3D surface model of the great intrathoracic arteries from left. aa = ascending aorta; aoa = aortic arch; av = aortic valve; da = ductus arteriosus; dao = descending aorta; lcc = left common carotid artery; lsa = left subclavian artery; pa = pulmonary arteries; pv = pulmonary valve; sa = segmental arteries; tb = brachiocephalic trunk; tp = pulmonary trunk. mp1 = measuring position 1; mp2 = measuring position 2; mp3 = measuring position 3; mp4 = measuring position 4; mp5 = measuring position 5. Scalebars = 200 µm.