Abstract
The stratigraphic dissection of the thorax and ventral cervical region was made on 5 rabbit cadavers. We firstly exposed the heart, and then the aortic arch. The aortic arch has a very curved trajectory and two collaterals (brachiocephalic trunk and left subclavian artery). The brachiocephalic trunk bifurcates in two collaterals (left and right common carotid arteries) and it ends with the right common carotid artery. The bicarotid trunk is absent in leporidae. In subjects taken into study, the diameter of the right subclavian artery (collateral of the brachiocephalic trunk) is larger than the one in the right common carotid artery (terminal of the brachiocephalic trunk).
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