So much blood pools into the legs, that it can cause the legs to feel heavy and leaden. If clear fluid from the expanded vessels seeps into tissues, it can choke off circulation to the skin ...

This overall system has many components that enable precise imaging of blood vessels in the skin. These include a sleek watch with an image interface, a portable computer, and a backpack with a ...

Adding engineered human blood vessel-forming cells to islet transplants boosted the survival of the insulin-producing cells ...