MODERN VIEW ON THE STRUCTURE OF THE VASCULAR EXTRACELLULAR MATRIX
Journal Title: Medicinski Casopis - Year 2015, Vol 49, Issue 1
Abstract
Endothelium, smooth muscle cells and connective tissue are three basic structural components of the blood vessel wall. They are all finely interconnected and form one active, highly integrated organ. The majority of the connective tissue is located in the sub endothelial layer of the tunica intima, but it is also abundant in the tunica adventitia. Connective tissue is composed primarily of two elements: cells and a matrix which, in turn, is built from ground substance and fibers. Ground substance is an amorphous and viscous fluid containing glycosaminoglycans, proteoglycans and structural glycoproteins that are arranged in a complex manner. Fibers, on the other hand, are the main supportive elements in the connective tissue mainly responsible for its hardness and elasticity. There are three types of protein fibers found within the matrix. Collagen and reticular fibers are built from protein collagen while elastic fibers are composed of protein elastin. Structure and composition of the extracellular matrix plays a crucial role in preservation of the structural and functional characteristics of the blood vessel wall.
Authors and Affiliations
Sanja Tanaskovic Stankovic, Maja Sazdanovic, Nemanja Jovicic, Jelena Milovanovic, Milena Lackovic
Keywords
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- EP ID EP142925
- DOI 10.5937/mckg49-6844
- Views 176
- Downloads 0
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