When a blood clot forms in a large vein located deep in the leg – what’s known as ... “Embolism means something migrated from somewhere to another place” through connected blood vessels, says Behnood ...

Pulmonary arterial hypertension is caused by narrowing of the blood vessels in the lungs. Learn how it happens, including ...

Since the distribution pattern of blood vessels differs from person to person, it is also possible to differentiate between individuals. Further, vein patterns are not visible on the surface of ...