BIO 201 Fall 07 Lab 3 - D

BIO 201 Fall 07 Lab 3 - D - Cartilage(Still CT •...

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Unformatted text preview: Cartilage (Still CT) • Supportive connective tissue with rubbery matrix • Cells called chondrocytes secrete the matrix • No blood vessels – Injured cartilage heals slowly • Diffusion through the matrix brings nutrition and removes wastes • Different types of cartilage depend on differences in fibers – Hyaline, elastic, fibrocartilage Hyaline Cartilage • Names for its clear, glassy microscopic appearance • Supports and reinforces with cushioning properties; reinforces joints • Chondrocytes often in small clusters of three of four cells enclosed in lacunae (cavities) • Costal cartilage, trachea rings, fetal skeleton Covers the ends of long bones in joint cavities, nose, trachea, and larynx Elastic Cartilage • Elastic fibers form weblike mesh amid lacunae • Provides flexible elastic support while maintaining shape • Found in the external ear, epiglottis Fibrocartilage...
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This note was uploaded on 05/01/2008 for the course BIO 201 taught by Professor Oberstein during the Spring '08 term at ASU.

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BIO 201 Fall 07 Lab 3 - D - Cartilage(Still CT •...

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