Research Article

Endothelinergic Contractile Hyperreactivity in Rat Contralateral Carotid to Balloon Injury: Integrated Role for ETB Receptors and Superoxide Anion

Figure 1

Representative histological images from ipsilateral or contralateral carotid arteries isolated from operated rats at 2, 8, 16, 30, or 45 days after the balloon catheter injury, compared to representative histological images from control carotid arteries isolated from age-matched intact rats. HE staining, 40x. L: lumen; End: endothelium; NI: neointima; M: media; A: adventitia; FC: collagen fibers.