In his Tractatus Quinque Medico-Physici of 1674, John Mayow wrote that a fifth of atmospheric air is comprised of nitro-aerial spirit. That so-called spirit participates in both respiration and combustion. The etymology of "nitro-aerial spirit" stems from a mineral long called niter and now specified as potassium nitrate.
View Article and Find Full Text PDFBackground: Vascular tissue remodels in response to a variety of hemodynamic factors, often transduced through activation of mitogen-activated protein kinases such as extracellular signal-related kinase (ERK1/2) and c-jun N-terminal kinase (JNK). This study tests the hypothesis that these kinases are involved in mechanical signal transduction in intact human arteries and veins.
Methods: Unused portions of human saphenous vein and radial artery were obtained fresh at the time of peripheral or coronary bypass.