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Cartilage structure and composition - Coggle Diagram
Cartilage structure and composition
Elastin
resilient
bounces back/recoil
hyaline cartilage
Collagen
Main tensile structure
When there's water in an area and pressure is added, the collagen stiffens/becomes tense (even though it would normally be floppy because it's shortened)
Fibrillar
Zones
STZ
Flat chondrocytes
Dense chondrocytes
Parallel to surface collagen fibers
Permeable to water
Middle
Round chondrocytes
Less dense chondrocytes
Collagen fibers oblique
Deep
Chondrocytes cylindrical
Collagen fibers vertical
Collagen fibers connected to bone through tide mark
Calcified zone
Mineralized collagen
Subchondral zone
Tidemark
Dead cells
Diffusion barrier (impermeable to blood or gas)
Non-fibrillar
Proteoglycans
Ground substance