Anatomy of a long bone

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13 Terms

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Articular cartilage

Art: at joint; protects ends of bones from wear


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Proximal epiphysis

Knobby end closer to trunk

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Distal epiphysis

Knobby end of bone further from trunk

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Diaphysis

Shaft of the bone

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Epiphyseal plate

Growth plate; made of cartilage which ossifies and regrows repeatedly

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Spongy pone

Makes up the inside of epiphyses; full of red marrow

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Compact bone

Makes up the diaphysis and outside of bone

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Red marrow

Filled with stem cells; creates blood

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Medullary cavity

Hollow space in diaphysis; full of yellow marrow

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Yellow marrow

Stores fat

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Periosteum

Around bone; CT layer lining outside of a bone

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Endosteum

Inside bone; layer living medullary cavity

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Nutrient foramen

Small hole for blood vessel to enter and exit bone