The Soret band used to demonstrate vascular patterns in histological sections.
D001808:Blood Vessels / Q000033:anatomy & histology*; D002196:Capillaries / Q000033:anatomy & histology; D004912:Erythrocytes; D006651:Histocytochemistry; D008722:Methods; D010784:Photomicrography; D014466:Ultraviolet Rays