Blood circulation Collateral Circulation

Collateral circulation is an alternative route for blood to pass through lateral blood vessels when the main ones are blocked.

Collateral circulation includes arteries that connect the branches of the coronary arteries that supply blood to the heart. At the apex of the heart, these arteries form very complex anastomoses.

Thanks to collateral circulation, when one of the coronary arteries is blocked, blood continues to flow to the heart muscle through the lateral vessels from other unblocked arteries. This allows, to some extent, to compensate for the lack of blood supply and reduce damage to the heart muscle during ischemia.

However, the possibilities of collateral circulation are limited. With extensive blockages of the coronary arteries, compensation of blood flow is insufficient, which leads to myocardial infarction. Therefore, the development of collaterals is important for the prevention of coronary heart disease.

Blood circulation is the process that delivers oxygen and nutrients to the tissues and organs of our body. It is carried out due to the presence of the circulatory system, which consists of vessels, arteries, veins and capillaries.

However, in some cases, when the main vessels become blocked or damaged, it becomes necessary to use alternative routes to ensure blood flow. Thus, collateral circulation appears - a process in which blood passes through lateral vessels connecting the main arteries and veins.

One example of collateral circulation is arterial circulation, which occurs when major arteries are blocked or damaged. In this case, blood begins to flow through the arteries that connect the main branches. These arteries are called collaterals and they provide an additional path for blood flow if the main arteries are blocked.

Another example of collateral circulation is the anastomoses of the coronary arteries - arteries that interconnect and form complex networks in the heart. These networks provide additional blood flow to the heart even if the main coronary arteries are blocked.

Thus, collateral circulation is an important mechanism for providing additional blood circulation in the body. It allows you to maintain the normal functioning of organs and tissues, even if the main vessels are damaged or blocked.

Colateral blood circulation is a complex process that occurs in the human body when certain conditions arise in the circulatory system. As you know, blood circulates through the main arteries and veins, which deliver necessary substances to organs and tissues. However, in certain situations, such as blockage of the main vessels, blood can move through the side vessels, which is called colateral circulation. This ensures the viability of organs even in the absence of normal blood flow in the main arteries.

The collateral pathway passes through the system

Introduction:

Collateral or arterial circulation is one of the compensation mechanisms that occurs when there is a sharp decrease or closure of the main blood flow path in the vascular system. In this case, blood can circulate through alternative pathways called collaterals. In collateral circulation, blood follows capillaries and small arteries that are not usually used for the main circulatory process. This mechanism ensures faster satisfaction of tissue metabolic needs, which reduces the risk of ischemia and tissue damage.

Main part:

The mechanism of occurrence of collateral circulation: When the underlying pathological process occurs, for example, when