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1 Αυγ 2018 · Large, elastic arteries are composed of cells and a specialized extracellular matrix that provides reversible elasticity and strength. Elastin is the matrix protein responsible for this reversible elasticity that reduces the workload on the heart and dampens pulsatile flow in distal arteries.
elastic arteries. large arteries with more elastic fibres & less smooth muscle, are able to receive blood under pressure & propel it onward, also called conducting arteries as they conduct blood from the heart to medium sized muscular arteries. muscular arteries.
21 Ιουν 2024 · Separating the tunica media from the outer tunica externa in larger arteries is the external elastic membrane (also called the external elastic lamina), which also appears wavy in slides. This structure is not usually seen in smaller arteries, nor is it seen in veins.
26 Δεκ 2019 · Top, the typical nonlinear relation between luminal pressure and area in large elastic arteries, explained by the progressive shift in load bearing from elastin to collagen fibers. Data translate into distensibility and pulse wave velocity (PWV) with the use of the Bramwell-Hill relation.
Keywords: Arteries; Mechanical properties elasticity 1. Introduction It is well known that the elasticity of materials is expressed in Hooke’s law as follows: Tensile stress of a solid is proportional to the amount of deformation, provided the deformation is not permanent. Hooke’s law applied to an elastic bar of length l can be expressed ...
2 Φεβ 2018 · In this review, we summarize the biochemistry of elastin and elastic fiber assembly process. We discuss measures of passive arterial mechanics that are affected by elastin amounts, elastic fiber integrity, and cross-linking.
Elastic artery. Elastic arteries, including the aorta and its major branches, are composed of the three basic tunics. The diagnostic characteristic of elastic arteries is the presence of numerous, fenestrated elastic sheets in the tunica media.