TOPIC 10 : THE EXTRACELLULAR MATRIX The extracellular matrix is… • All the stuff outside of the plasmalemma it forms a protective mechanisms for the cells and the material which it excretes • It performs important functions and it is highly structured, organized, and specialized • In bone almost everything is extracellular matrix – only a few cell • In cartilage it is primarily extracellular matrix • Fibroblasts – chrondoplasts forms extracellular matrix Animal Extracellular Matrix • There is no cell wall (fundamental difference) • Consist primarily of collagen fibers and proteoglycans • Known as the Glycocalyx – Refers to a special part of the EM that functions to withstand compression
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This note was uploaded on 06/17/2008 for the course BIO 1140 taught by Professor Fenwick during the Winter '07 term at University of Ottawa.