Cartilage with px (2008)

Cartilage with px (2008) - Cartilage(Chapter 7 pages...

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Cartilage : (Chapter 7; pages 182-201) chondrocytes within extra-cellular matrix 1. Types: hyaline, fibrous, elastic 2. Function: bear mechanical stress; support soft tissue; shock absorbing; essential in the development and growth of long bones 3. Characteristics: Chondrocytes in lacunae; tissue usually surrounded by a perichondrium; avascular; no nerves; extensive matrix 4. Hyaline Cartilage: figure 7.1, page 183; figure 7.3, page 185; figure 7.4, page 186; translucent and bluish-white; plate-like masses; found on articular surfaces, larger respiratory passages, epiphyseal plate, fetal skeleton a. Matrix: homogeneous, amorphous; metachromatic (1) Ground substance: GAGs (including chondroitin sulfate, hyaluronic acid and keratin sulfate), proteoglycans and glycoproteins. Consistency of cartilage is due to extensive cross-linking of link glycoproteins to attach core proteins of proteoglycans to chains of hyaluronic acid to form proteoglycan aggretates. The GAG side chains associate with type II collagen fibrils. Highly hydrated
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This note was uploaded on 04/21/2008 for the course BIOL 101 taught by Professor Kilgen during the Spring '08 term at Nicholls State.

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Cartilage with px (2008) - Cartilage(Chapter 7 pages...

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