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Tiny blood vessels are called capillaries. The capillaries main function is to work as a bridge between the larger arteries. More »

www.reference.com Science Human Anatomy Blood

A blood vessel may pop due to injury, bruising, allergic reaction, blood infection or an autoimmune disorder, according to Healthline. A tiny amount of blood flows from the vessel into the surrounding areas when a blood ... More »

www.reference.com Health Conditions & Diseases Wounds & Bruises

Tiny red pinpoint dots beneath the skin are referred to as petechiae and occur when the blood vessels break due to injuries, aging and medical treatments, such as chemotherapy or radiation, according to MedlinePlus. Alle... More »

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The smallest blood vessels in the human body are capillaries, which connect arteries and veins. Capillaries can be as small as 5 micrometers wide. The average adult body has about 10 billion capillaries. More »

www.reference.com Science Human Anatomy Blood

Capillary density is a physiological measure that takes a cross section of muscle and counts the number of capillaries, or blood vessels, contained within. This measurement can be an indicator of overall health and is al... More »

www.reference.com Science Human Anatomy Blood

Angiogenesis is the process of producing new blood capillaries from pre-existing blood vessels, as stated by The Angiogenesis Foundation. Angiogenesis is an important process in healing and reproduction, but abnormal blo... More »

www.reference.com Science Human Anatomy Blood

The blood in human body flows from the heart to the arteries which branch into arterioles and then smaller capillaries, which then merge to form venules that merge into larger veins that carry blood back to the heart. Th... More »

www.reference.com Science Human Anatomy Blood