Download - 1.structure of bone
Dr.Nitin Kaushik Junior Resident Dept. of Orthopedics
ESIPGIMSR MGM Hospital
Bone (osseous) Connective Tissue Cells
Osteoprogenitor cells (stem cells) Osteoblasts Osteocytes (in lacunae) Osteoclasts
Matrix
Matrix: arranged as lamellae Collagen fibersCalcium phosphate salts (as hydroxyapatite)
Matrix: arranged as lamellae
Arrangements of Bone Tissue Compact (cortical) Spongy (cancellous)
Compact Bone Tissue Location
On bone surfaces (matrix arranged as circumferential lamellae)
In shafts of long bones (matrix arranged as concentric
The osteon (Haversian system):
The osteon (Haversian system): unit structure of thick compact bone
Haversian canal
Lacuna
Canaliculi
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Arrangements of Bone Tissue Compact Bone Tissue Spongy (cancellous) bone tissue
Location: within bones Consists of branching plates called
trabeculaeBone marrow found between the
trabecular spaces
Periosteum
Periosteum Fibrous layer Cellular layer