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Osseous Tissue

Across
Covers internal bone surfaces and contains 1 layer
Each tube of an osteon; a layer of bone matrix
Break down bone by secreting digestive enzymes
Blood vessels which supply nutrients to the osteon
Covers bone and contains 2 layers
Canals in lamellae that allow osteocytes to pass nutrients and wastes from cell to cell
Hydroxyapatite and collagen
Down
Miniature weight-bearing pillars
Network in spongy bone
Mature bone cell
Bones weaken as osteoclast outwork osteoblasts
An immature bone cell which produces the matrix
Matrix secreted by osteoblasts