Αποτελέσματα Αναζήτησης
Elasticity in Arteries: A similar combination of rubbery and stiff materials creates common mechanical properties in blood vessels of vertebrates and some invertebrates.
Elastin is an extracellular matrix (ECM) protein with a unique biochemical structure that provides entropic elasticity, allowing the large arteries to reversibly expand and relax with every cardiac cycle.
21 Ιουν 2024 · Distinguish between elastic arteries, muscular arteries, and arterioles on the basis of structure, location, and function; Compare and contrast the three types of capillaries on the basis of structure, location, and function; Describe the basic structure of a capillary bed, from the supplying metarteriole to the venule into which it drains
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.
20 Δεκ 2021 · Elastin is a long-lived extracellular matrix protein that is organized into elastic fibers that provide elasticity to the arterial wall, allowing stretch and recoil with each cardiac cycle. By forming lamellar units with smooth muscle cells, elastic fibers transduce tissue-level mechanics to cell-level changes through mechanobiological signaling.
Arterial System: Elastic Arteries. Large thick-walled arteries with elastin in all three tunics. Aorta and its major branches. Large lumen offers low resistance. Inactive in vasoconstriction . Act as pressure reservoirs—expand and recoil as blood ejected from heart. Smooth pressure downstream.
1 Φεβ 2002 · When measuring PWV to determine arterial elasticity, information about the shape of the pulse wave is, perforce, discarded. If this is not done the ‘true’ wave velocity cannot be derived, and false values of elasticity will result.
