Elastic artery
(Redirected from Elastic arteries)
Elastic artery refers to a type of artery that has a large number of collagen and elastin filaments, giving it the ability to stretch in response to each pulse. They are generally found in larger arteries, such as the aorta and its immediate branches.
Structure[edit | edit source]
Elastic arteries are the largest arteries in the body, both in terms of length and diameter. They are characterized by the presence of numerous concentric layers of elastic tissue in their walls. This elastic tissue allows these arteries to stretch and accommodate the surge of blood that results from each heartbeat.
Function[edit | edit source]
The primary function of elastic arteries is to smooth out the pulsatile nature of blood flow that results from the intermittent ejection of blood from the heart. This is achieved through the elastic recoil of the arterial walls, which maintains the pressure gradient that drives blood flow during diastole.
Clinical significance[edit | edit source]
Diseases of the elastic arteries can have serious consequences, as they can affect the distribution of blood to the rest of the body. For example, aneurysms can form in the elastic arteries, particularly the aorta, leading to a risk of rupture and life-threatening bleeding. In addition, atherosclerosis can lead to the hardening and narrowing of these arteries, reducing blood flow and increasing the risk of heart attack or stroke.
See also[edit | edit source]
References[edit | edit source]
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