Active and passive mechanical characterization of a human descending thoracic aorta with Klippel-Trenaunay syndrome.A human aorta from a female donor affected by Klippel-Trenaunay syndrome was retrieved during a surgery for organ donation for transplant. 
Klippel-Trenaunay syndrome
The aorta was preserved in refrigerated Belzer UW organ preservation solution and tested within a few hours for mechanical characterization with and without vascular smooth muscle activation. 
Belzer UW organ preservation solution
KCl and Noradrenaline were used as vasoactive agents in bubbled Krebs-Henseleit buffer solution at 37 °C. 
Krebs-Henseleit buffer solution