L8 Connective tiss, bone

L8 Connective tiss, bone - Connective tissues tendon blood...

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Connective tissues blood loose connective tissue cartilage bone Tissues in which extracellular materials predominate tendon
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Loose connective tissue permeates everywhere in the body. Fibroblasts Extracellular matrix = collagen fibres, elastin fibres, fibronectin, laminin, ground substance Major reservoir for water, fat, inorganic ions Rigid (cartilage, bone) or non-rigid (dermis, reticular) White blood cells also present
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Collagen cross-linking between tropocollagen molecules give collagen great tensile strength Different collagen types Type I = largest fibres – dermis, bones, tendons Type II = doesn’t form fibres, hyaline cartilage Type III = smaller fibres than type I, loose connective tissue Type IV = predominantly in basal lamina
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Type IV in basal lamina Type I
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Elastin = made up of elastin fibres, cross-linked Lungs, aorta, bladder, elastic cartilage
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Ground substance Proteoglycan supramolecular complex, highly charged (-ve) attracts +ve ions, then water. Core protein + chondroitin sulphate
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This note was uploaded on 08/28/2011 for the course ZOO 3713c taught by Professor Staff during the Spring '08 term at University of Florida.

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L8 Connective tiss, bone - Connective tissues tendon blood...

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