An artery, or arterial vessel, is a large blood vessel with an impermeable wall. The function of the arteries is to carry blood from the heart to specific organs and to drain it back. The arterial system is connected to the venous system through a network of capillaries. Arteries are thick and flexible and have the ability to contract and relax. The arteries move according to the rhythm of the heartbeat.
Types of arteries
Arteries it is generally divided into large, medium and small.
The first type (large arteries) is arteries elastic type. They are located in the immediate vicinity of the heart. For this type pulsate include: aorta, brachiocephalic trunk, arteries joint and internal cervical, arteries subclavian, arteries common iliac and pulmonary arteries.
Arteries elastic type ensure continuous blood flow, regardless of blood pressure fluctuations – that is, the distribution of blood is uniform, not pulsating. When the ventricles of the heart contract, artery accumulates some of the energy by expanding its diameter. When the heart relaxes, the stored energy is released in the passive contraction of the vessel. This causes the blood to move and make it circulate around the perimeter.
The second type pulsate are arteries medium also known as mixed. These are arteries transitional between springy and muscular. Belong to them artery outer jugular and artery in the room.
The third kind pulsate they are small arteries muscle type. They have significant contractility, which allows the regulation of blood distribution to individual blood vessels and organs. For this reason arteries muscle type are also called arteries distributional. It is one of them arteries small and medium and some large, for example arteries external iliac.
Do pulsate of the muscle type also include arterioles, otherwise known arteries small. They are small in diameter but highly contractile, which allows the blood flow to be regulated. The arterioles pass into the precapillary vessels and those into the blood capillaries.
Structure of the arteries
Arteries they have thicker walls than veins and they have more elastic elements and muscles responsible for maintaining proper wall tension artery. Greater wall thickness pulsate it is necessary because of the fluctuating blood pressure flowing through them.
The flexibility of the arteries and their proper functioning can be supported by using Efficient Vein – Panaseus dietary supplement, which contains collagen and vitamin C, very important for the tightness and health of blood vessels.
Artery diseases
The most common and serious diseases pulsate belongs atherosclerosis, that is, the so-called arteriosclerosis. It is a chronic disease that gradually reduces light pulsate and the formation of blockages that reduce, inhibit or prevent blood flow. Risk factors in the development of atherosclerosis pulsate These include: smoking, improper diet leading to high cholesterol, overweight and obesity, physical inactivity, diabetes, hypertension and stress.
In developing atherosclerosis, endothelial cells artery they store excessive amounts of cholesterol and lipids, which then move under the inner membrane arteryforming so-called fat-lipid bands. Subsequently, the fatty-lipid strands calcify, leading to atherosclerotic sclerosis. pulsatewhich in turn reduces the light pulsate and reducing their flexibility. In the final stage, there may be such a large accumulation of calcified plaque and a thrombus that light artery is completely closed.
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