Cartilage

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There are three forms of cartilage found in the human body; hyaline cartilage, fibrocartilage and elastic cartilage.[1] Cartilage consits of chondroblasts cells and chondrocytes cells within a matrix which they secrete.[2] Chondroblast cells mature into chondrocytes

Hyaline Cartilage

Hyaline cartilage has a glassy appearance and is found in the ribs, nose and trachea.[3] Hyaline cartilage matrix mainly contains collagen type ll and aggrecan which add strength to the cartilage.[4][5]

Fibrocartilage

Fibrocartilage is opaque white in appearance.[6] It consists of layers of alternating hyaline cartilage and collagen fibres.[7] Fibrocartilage is found in invertebal disks and ligamnets.[8]

Elastic Cartilage

Elastic cartilage is yellow in appearance and is found in the external ear, larynx and epiglottis.[9] Elastic cartilage occurs in sites that have vibrational functions, such as laryngeal sound wave production and collection of sound waves in the ear.[10]

References 

  1. ↑ University of Leeds Cartilage: The three types of cartilage. Available at: http://www.histology.leeds.ac.uk/bone/cartilage_types.php (last accessed 27/10/2014)
  2. ↑ Standring S (ed) Gray's Anatomy (2008) 40th edition, Elsevier. pg 81
  3. ↑ Standring S (ed) Gray's Anatomy (2008) 40th edition, Elsevier. pg 82
  4. ↑ University of Leeds Cartilage: The three types of cartilage. Available at: http://www.histology.leeds.ac.uk/bone/cartilage_types.php (last accessed 27/10/2014)
  5. ↑ Doege KJ1, Sasaki M, Kimura T, Yamada Y.(1991) J Biol Chem: Complete coding sequence and deduced primary structure of the human cartilage large aggregating proteoglycan, aggrecan. Human-specific repeats, and additional alternatively spliced forms.266(2):894-902
  6. ↑ Standring S (ed) Gray's Anatomy (2008) 40th edition, Elsevier. pg 83
  7. ↑ University of Leeds Cartilage: The three types of cartilage. Available at: http://www.histology.leeds.ac.uk/bone/cartilage_types.php (last accessed 27/10/2014)
  8. ↑ University of Leeds Cartilage: The three types of cartilage. Available at: http://www.histology.leeds.ac.uk/bone/cartilage_types.php (last accessed 27/10/2014)
  9. ↑ University of Leeds Cartilage: The three types of cartilage. Available at: http://www.histology.leeds.ac.uk/bone/cartilage_types.php (last accessed 27/10/2014)
  10. ↑ ↑ Standring S (ed) Gray's Anatomy (2008) 40th edition, Elsevier. pg 84
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