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Blood sustains life, but can be incredibly dangerous when it does clot inside the vessels. As long as blood is moving (in a state of flow), it will usually not clot in a healthy individual. The brief explanation is that many different molecular pieces have to join together to form a clot, and as long as they are in a state of flow, that cannot happen. Virchow's triad describes 3 categories of risk factors that increase the risk for blood clots inside the vessels: venous stasis, endothelial injury, and hypercoagulability. Venous stasis includes conditions such as mitral stenosis, atrial fibrillation, and varicose veins, but can also result from sitting for long periods of time without moving (such as on a long flight), or prolonged periods of bedrest (such as in a hospital). Endothelial injury can result from hypertension or Diabetes among others. Hypercoagulability can be produced by a number of conditions including nephrotic syndrome, myoglobinemia following trauma or burns, cancer, or pregnancy. Dangerous disorders associated with abnormal clotting include deep venous thrombosis, pulmonary embolism (infarction of the lungs) or stroke, among others.
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∙ 10y agoBecause of a disorder called Hemophilia. In this disease a protein for normal blood clotting is missing
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Name three blood vessels?
the three blood vessels are the Veins capillaries Arteries the arteries.
What do arteries and veins drain?
Arteries drain (pump blood) into veins. Veins drain into your lungs and heart to be re-oxygenated. (This is not true for veins and arteries to and from your lungs.)
What is the difference between the blood in the arteries and the blood in the veins?
Veins do not pulsate Arteries pulsate Veins can easily collapse Arteries do not collapse (except in shock) Veins contain valves Blood pressure is low in the veins and higher in the arteries
What are the kinds of blood vessels?
Capillaries, arteries, and veins are the kinds of blood vessels.
What does the blood travel through?
arteries and veins
Why it is difficult to clot the blood in wounded artery than in vein?
Simply put, arteries carry more pressure than veins do. The more pressure they carry, the faster the blood moves, the less chance for a clot.
Is it blood that runs in veins?
It is not true. Blood is also runs in arteries. Arteries take the blood throughout your body and veins take the blood back to your heart.
What returns blood the veins or the arteries?
The veins.
Blood fails to clot in the absence?
blood does clot and so can your arteries it will clot if you will have a major accident...
What two ways are veins structurally different from arteries?
blood travels away from the heart through arteries and blood travels to the heart through the veins
What is the major difference between arteries and veins?
Arteries carry blood away from the heart. Veins return blood to the heart.
Name the 3 type of blood vessels in the body?
The 3 types of blood vessels are: 1. veins, which carry blood to the heart; 2. capillaries, which connect veins and arteries, and 3. arteries, which carry blood away from the heart.
