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 ...

When we smell hot dogs, it may trigger memories of backyard barbeques or attending baseball games during childhood. During this process, the areas of the brain that control smell and long-term memory ...

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 ...

Cynthia Elford had recently lost her left leg to Type 1 diabetes, after a sunburned big toe turned nearly black and forced an amputation. Now, Elford was being told the same thing was happening in her ...

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 ...

COVID-19 symptoms like strokes and kidney damage are unusual for a respiratory disease. Researchers are looking into how the coronavirus damages blood vessels and what that means for treatment.

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 ...

Blood tells a story about the body it inhabits. As it pumps through vessels, delivering nutrients and oxygen, the ruby red liquid picks up information. Hormones carried by blood can hint at how hungry ...