Macroscopic structure of long bone
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Diaphysis
Long, main shaft
Epiphysis
Ends of bone (proximal and distal)
Metaphysis
Between diaphysis and epiphysis - where bone growth occurs
Articular cartilage
Thin layer of hyaline cartilage covering epiphysis (where an articular occurs) > reduces friction and absorbs shock
Articular cartilage
Thin layer of hyaline cartilage covering epiphysis (where an articular occurs) > reduces friction and absorbs shock
Periosteum
Tough connective tissue layer, surrounds bone surface Growth in thickness, attachment point of ligaments/tendons
Medullary cavity
Hollow part in diaphysis where bone marrow Minimises weight of bone and provides strength
Endosteum
Thin membrane lining medullary cavity single layer of osteoprogenitor cells and connective tissue