Figure 1From: Sidestream cigarette smoke effects on cardiovascular responses in conscious rats: involvement of oxidative stress in the fourth cerebral ventricle Photomicrograph of a rat brain showing the medulla and cerebellum (~13 mm caudal to bregma). 4th V, fourth ventricle. (A) Rat exposed to fresh air, (B) rat exposed to SSCS. Schematic draw adapted from Paxinos and Watson. Scale = 1 mm.Back to article page