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Veins are blood vessels located throughout your body that collect oxygen-poor blood and return it to your heart. Veins are part of your circulatory system. They work together with other blood vessels and your heart to keep your blood moving. Veins hold most of the blood in your body. In fact, nearly 75% of your blood is in your veins.
The anatomy of the veins of the heart is very variable, but generally it is formed by the following veins: heart veins that go into the coronary sinus: the great cardiac vein, the middle cardiac vein, the small cardiac vein, the posterior vein of the left ventricle, and the oblique vein of the left atrium (oblique vein of Marshall). Heart veins that go directly to the right atrium: the ...
Aug 3, 2023 · Edited By: Sagar Aryal. Veins are the blood vessels that collect the deoxygenated blood from the various tissues and organs of the body and transport it back to the heart. The blood vessels that carry blood toward the heart are veins. Veins. All veins carry the deoxygenated blood except the pulmonary veins and the umbilical veins.
Sep 13, 2024 · Veins are vessels that bring blood from other parts of the body to the heart. The low pressure venous system needs the contraction of muscles to return the blood to the heart. There are four major types of veins. Examples include pulmonary and systemic veins as well as superficial and deep veins. Pulmonary veins carry oxygenated blood to the ...
- Regina Bailey
Apr 14, 2018 · Many conditions can affect your venous system. Some of the most common ones include: Deep vein thrombosis (DVT). A blood clot forms in a deep vein, usually in your leg. This clot can potentially ...
Oct 18, 2024 · azygous vein. vein, in human physiology, any of the vessels that, with four exceptions, carry oxygen-depleted blood to the right upper chamber (atrium) of the heart. The four exceptions—the pulmonary veins—transport oxygenated blood from the lungs to the left upper chamber of the heart. The oxygen-depleted blood transported by most veins is ...
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The venous system can accommodate a large volume of blood at relatively low pressures, a feature termed high capacitance. [1] Features to aide venous blood flow forwards to the heart. Veins have one-way valves inside that allow for blood flow to move toward the heart. Veins contain only smooth muscle cells.
