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Hello everyone.
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In this lesson, we're diving into the structural intricacies of hernias.
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Focusing on the connective tissue's extracellular matrix, ecm, involved in such conditions, the ecm plays a crucial role in providing structural and biochemical support to the surrounding cells and connective tissue.
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By understanding the composition of the ecm and the orientation and placement of its fibers, especially in the context of hernias, we can gain insights into how these conditions compromise the integrity of the abdominal or groin areas.
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So let's explore the ecm components involved in hernias and discuss how the fibrous orientation and placement contribute to the development and presentation of this condition.
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Extracellular matrix, ecm, of connective tissue.
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The ecm complex is a complex network of proteins and carbohydrates that provide structural and biochemical support to cells.
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It consists of two main components.
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1.
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Fibrous proteins.
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These include collagen, elastin, and fibronectin.
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Collagen fibers provide tensile strength.
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Elastin fibers offer elasticity and fibronectin facilitates cell adhesion to the matrix.
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And then we have ground substances, which is a gel -like material composed of glycosamines, glycans, gags, as well as proteoglycans and water.
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The ground substance fills the spaces between cells and fibers, providing a medium for nutrient and waste exchange.
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Orientation and placement of fibers in the context of hernias.
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Collagen fibers.
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In the abdominal wall and the inguinal canal, collagen fibers are densely packed and oriented in various directions to provide maximal strength and support...