Exsanguination
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Exsanguination is the loss of blood from the circulatory system of a vertebrate, usually leading to death. The word comes from the Latin 'sanguis', meaning blood, and the prefix 'ex-', meaning 'out of
15th-century depiction of exsanguination as part of Jewish ritual slaughter of animals for consumption
Vein
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A vein is a blood vessel in the circulatory system of humans and most other animals that carries blood towards the heart. Most veins carry deoxygenated blood from the tissues back to the heart; except
Layers of vein wall shown in comparison to arterial wall
Main veins of the systemic circulation
Deep and superficial veins of the arm and near thorax
Diagram of different sized veins with differing component proportions