In rat tail artery (RTA). spinal cord injury (SCI) increases nerve-evoked contractions and the contribution of L-type Ca2+ channels to these responses. In RTAs from unoperated rats. these channels play a minor role in contractions and Bay K8644 (L-type channel agonist) mimics the effects of SCI. https://stehlenautomotivers.shop/product-category/bull-bar/