Arteries

A blocked artery can lead to death but it rather depends on where the blockage is and if it is only partial or complete. For example if in the brain it can cause a stroke but that doesn't necessarily mean death for the individual. If the blockage is in the heart it will result in a heart attack however, the individual may not die.

Partially blocked artery may cause improper function of the tissues. Partial blockages have a high chance of resulting in complete blockage. When the artery is completely blocked it generally means death for any tissue located after the blockage.


For Example:

If there is an infarction in the thigh it will cause necrosis in that area.

You are likely referring to an angiogram. Angiogram means the 'recording' of any blood vessel, not necessarily coronary. I would say your best answer is 'coronary angiography' this is performed via a procedure called 'cardiac catheterization'

Dorsalis paedis

It is used when there is nearly complete or totally complete blockage in one or more coronary arteries (often after myocardial infarction/heart attack or coronary syndrome, in which there has been no loss of functioning heart muscle, but there has been significant chest pain along with functional decline).

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The vena cava has a thinner wall and a wider lumen than the aorta because of the lower blood pressures it has to deal with.

Ischemia is the condition in which an artery has become abnormally widened because of a weakness in the arterial wall.

There are three varieties of blood vessels: arteries, veins, and capillaries. During blood circulation, the arteries carry blood away from the heart. The capillaries connect the arteries to veins. Finally, the veins carry the blood back to the heart

The lungs oxygenate blood, arteries simply carry oxygenated blood. But there is one exception to this rule. Arteries carry oxygenated blood in systemic circulation (blood circulation to the entire body excluding the lungs). In pulmonary circulation (blood circulation to the lungs), the pulmonary artery carries deoxygenated blood from the heart to the lungs where it gets O2 and it transported back to the heart by the pulmonary vein.

The smallest branch of an artery (before it enters capillary bed) is an arteriole.

Circumflex Branch

Interesting question. I'd presume that as the heart is constantly pumping blood, the oxygen in the blood will diffuse into the cells that make up the inner part of the muscle of the heart. This is a slow process, however, and the heart needs a lot of oxygen, so it has arteries on the outside of it. This would mean the heart muscle is getting a rich supply oxygen from both sides of the muscular wall, allowing it to work as efficiently as it does.

The blood in arteries is usually oxygenated because arteries carry blood away from the heart.

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the aorta. Its attached to your heart

yes except for the pulmonary arteries.
Arteries carry oxygen-rich blood to the tissues and veins carry oxygen-poor blood back to the heart and lungs.

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.)

The ligamentum arteriosum.

For the most part, yes. A vein carries blood to the heart and an artery carries blood away from the heart. Therefore, the vessel from the heart to the lungs is an artery, even though it is unoxygenated, and the vessel from the lungs to the heart is a vein, even though it is oxygenated.

The right ventricle pumps blood into the pulmonary artery.

The arcuate artery.

arteries are blood vessels that take blood away from your heart and into your body. First the blood passaes through the right atrium then into the arteries where the blood is then deoxygenated and the oxygen is given to all your muscles.

A heart attack