Figure 3

Surgical dissection of the vagus nerve (VN) for ex-vivo experiments including superior cardiac branch (CB). Here, the VN is shown from its caudal half of the cervical level to caudal to the superior CB. The heart is exposed after opening of the pericardium. Cr cranial, cd caudal, PA pulmonary artery, RA right atrium, RV right ventricle.