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Articular cartilage - Coggle Diagram
Articular cartilage
Makeup
Composition
Extracellular Matrix
Interfibrillar (ground substance)
Water and dissolved electrolytes
60-85% wet weight
Proteoglycans (PGs)
Fibrillar (proteins)
Collagen
70% dry weight (10-30% wet weight)
Type II collagen most prevalent
AC 90-95% type II collagen
Strength of steel
Elastin
Structure
Middle zone
40-60%
Deep Zone
30-40%
STZ
10-20%
Calcified Zone
Articular surface
Subchondral Bone