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48731
CARTILAGE
Descripción
Bio Med and Pathology Mapa Mental sobre CARTILAGE, creado por aahughes el 17/04/2013.
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bio med and pathology
bio med and pathology
Mapa Mental por
aahughes
, actualizado hace más de 1 año
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Creado por
aahughes
hace más de 11 años
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Resumen del Recurso
CARTILAGE
Cartilage is usually found next to Bone
Its a connective tissue - tough semi-transparent, flexible, elastic
Matrix or ground substance - GLYCO-PROTEIN and CHONDROITIN
Cartilage cells -CHONDROCYTES
Covered in a dense fibrous tissue - PERICHONDRIUM
No nerves or blood vessels found
Cartilage is a robust connective tissue
Re-inforced by COLLAGEN and ELASTIC FIBRES
There are 3 types:
HYALINE
smooth, bluish/white
Chondrocytes within CELL NESTS
Covers bone at joint surface
COSTAL - attaches ribs to Sternum
Forms part of the Trachea, Larynx and Bronchi
FUNCTIONS - reduces friction at joints
MOVEMENT
SUPPORT - C-SHAPED rings keep trachea and bronchi open
GROWTH - Longitudinal growth
WHITE FIBRO CARTILAGE
SHOCK ABSORBER
PROVIDES STURDINESS WITHOUT IMPENDING MOVEMENT
DEEPENS SOCKETS
ELASTIC CARTILAGE
Similar to Hyaline
Contain yellow elastic fibres
MAINTAINS SHAPE - ie the ear (shape and flexibility
SUPPORT
Due to poor access of nutrients Chondrocytes may atrophy
Water content decreases and small cavities arise
Cartilage eventually transforms to bone
REGENERATION AND REPAIR
Chondrogenic activity of the perichondrium
is limited to the period of active growth before adulthood
If cartilage is damaged after the period of active growth
the defects are filled by Connective tissue or Fibrous Cartilage
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