Does size matter?

When it comes to how blood vessels function, the answer is yes. A new study published in the American Journal of Physiology – Regulatory, Integrative and Comparative Physiology examined this question for the first time in toads (Rhinella marina). Regulation of blood vessel diameter, and hence blood pressure, is a complex process involving a variety of factors that are secreted by cells in the vascular wall in addition to factors found […]