Haemoglobin Video Imaging (HVI) demonstrates conjunctival and episcleral blood flow in man with the resolution of a single erythrocyte. A new method for establishing vessel hierarchy in ...

The human circulatory system represents an intricate network of vessels that extends throughout the entire body. This complex arrangement of arteries, veins, and capillaries works continuously to ...

Model vessels: study highlights the importance of dilation in the brain. (Courtesy: Shutterstock/Phonlamai-Photo) A new model based on the blood-vessel network in a ...

The tiny opaque tube that Yonghui Ding holds up to the light in his laboratory looks like a bit of debris from a dismantled ...

An arteriovenous fistula (AVF) is an abnormal joining of an artery and a vein. If an AVF is affecting health, early treatment can help prevent complications. An AVF occurs if an artery connects to a ...

Vasculitis is an autoimmune disorder that causes inflammation of the blood vessels. It can affect arteries, veins, and capillaries. This condition causes blood vessel walls to swell, which restricts ...

Acute venous embolism and thrombosis are both conditions that disrupt blood flow. Treatment may involve medications or surgery. Blood clot formation is a protective mechanism that helps prevent excess ...