which type of matrix is present in tendons and and ligaments
Answers
Answer:
Tendons and ligaments are composite materials composed of collagen and non-collagenous proteins. The collagenous component of tendon and ligaments has a complex hierarchical arrangement which follows the same basic pattern in both structures.
Explanation:
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Explanation:
Tendons and ligaments are composite materials composed of collagen and non-collagenous proteins. The collagenous component of tendon and ligaments has a complex hierarchical arrangement which follows the same basic pattern in both structures. This has been described and depicted diagrammatically by a number of authors16–18 to illustrate the arrangement of the collagen component (Fig. 2). The predominant collagen type is the fibril-forming type I collagen. Collagen molecules align in a highly ordered parallel arrangement with each molecule staggered relative the neighbouring molecule giving rise to overlap and gap zones to form pentamer microfibrils with a characteristic banded pattern repeating every 67 nm. Microfibrils group together to form collagen fibrils with diameters of 40–300 nm, which can be viewed under an electron microscope in transverse and longitudinal sections of tissue. Many studies have described the populations of collagen fibrils in different tendons and ligaments from various species. The collagen fibrils then group together to form fibres which are visible under light microscopy, fibres form sub-fascicles and finally fascicles group together to form the whole structure. A thin connective tissue membrane known as the epitenon surrounds the whole tendon and extends into the tendon separating fascicles where it is known as the endotenon or interfascicular matrix. It is the combination of mechanical properties at each of these substructural levels that result in the overall mechanical behaviour of the tendon or ligament.
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