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*Structure:
 
*Structure:
 
**'''Chondrocytes''': reside within '''lacunae''' within ECM synthesizing '''matrix'''
 
**'''Chondrocytes''': reside within '''lacunae''' within ECM synthesizing '''matrix'''
**Type II Collagen (except fibrocartilage), proteoglycans with associated glycosaminoglycans and hyaluronic acid  
+
**Type II Collagen (except fibrocartilage)
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**Proteoglycans with associated glycosaminoglycans
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***Continually turned over
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***The most vulnerable component of cartilage
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***Decresed proteoglycan -> loss of lubrication -> collagen disruption -> frays, clefts, fibrillation, ulcers, exposure of bone, [[Musculoskeletal terminology|eburnation, +/- osteophytes and joint mice]]
 +
**Hyaluronic acid  
 
**75% Water
 
**75% Water
 
**Avascular: nutrients/waste move via diffusion
 
**Avascular: nutrients/waste move via diffusion
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**'''Hyaline Cartilage'''
 
**'''Hyaline Cartilage'''
 
***Most abundant in the body: glassy, translucent sheen
 
***Most abundant in the body: glassy, translucent sheen
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***Normally blue-white, smooth with moist surface, Turns yellow and becomes thinner in old age
 
***Found in nose, trachea, bronchi, ventral ends of ribs and sternal attachmont
 
***Found in nose, trachea, bronchi, ventral ends of ribs and sternal attachmont
 
***Surrounded by perichondrium
 
***Surrounded by perichondrium
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