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Bone structure
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Bone structure

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    Bone structure Bone structure Presentation Transcript

    • Bone Structure (pg 4)
    • Bone Tissue• Compact Bone: Contains haversian canals surrounded by concentric rings of matrix that contains osteocytes
    • Bone Tissue• Compact Bone: Contains haversian canals surrounded by concentric rings of matrix that contains osteocytes• Spongy Bone: Less dense than compact bone. Contains thin columns of bone tissue surrounded by small, irregular cavities. The cavities are filled with red bone marrow, which forms red and white blood cells.
    • Bone ShapesShape Description ExampleLong Longer than it is wide FemurShort Approximately cube shaped CarpalsFlat Thin, usually curved Cranial bonesIrregular Do not fit any of the Vertebrae categories above
    • Parts of a long bone1. Diaphysis: cylindrical main portion of a bone. Made of compact bone
    • Parts of a long bone1. Diaphysis: cylindrical main portion of a bone. Made of compact bone2. Epiphyses: Enlarged ends of the bone. Contains spongy bone
    • Parts of a long bone1. Diaphysis: cylindrical main portion of a bone. Made of compact bone2. Epiphyses: Enlarged ends of the bone. Contains spongy bone3. Articular cartilage: Thin layer of hyaline cartilage covering the epiphysis. Reduces friction at joints
    • Parts of a long bone1. Diaphysis: cylindrical main portion of a bone. Made of compact bone2. Epiphyses: Enlarged ends of the bone. Contains spongy bone3. Articular cartilage: Thin layer of hyaline cartilage covering the epiphysis. Reduces friction at joints4. Periosteum: Tough sheath of connective tissue that surrounds the bone
    • Parts of a long bone1. Diaphysis: cylindrical main portion of a bone. Made of compact bone2. Epiphyses: Enlarged ends of the bone. Contains spongy bone3. Articular cartilage: Thin layer of hyaline cartilage covering the epiphysis. Reduces friction at joints4. Periosteum: Tough sheath of connective tissue that surrounds the bone5. Medullary cavity: hollow space within the diaphysis that contains fatty yellow bone marrow
    • Parts of a long bone1. Diaphysis: cylindrical main portion of a bone. Made of compact bone2. Epiphyses: Enlarged ends of the bone. Contains spongy bone3. Articular cartilage: Thin layer of hyaline cartilage covering the epiphysis. Reduces friction at joints4. Periosteum: Tough sheath of connective tissue that surrounds the bone5. Medullary cavity: hollow space within the diaphysis that contains fatty yellow bone marrow6. Endosteum: thin membrane that lines the medullary cavity
    • Bone markings• Head: Enlarged, rounded end of bone for articulation
    • Bone markings• Head: Enlarged, rounded end of bone for articulation• Condyle: Smooth, rounded articular surface
    • Bone markings• Head: Enlarged, rounded end of bone for articulation• Condyle: Smooth, rounded articular surface• Epicondyle: Bulge above a condyle for muscle attachment
    • Bone markings• Head: Enlarged, rounded end of bone for articulation• Condyle: Smooth, rounded articular surface• Epicondyle: Bulge above a condyle for muscle attachment• Trochanter: Large, blunt projection for muscle attachment
    • Bone markings• Head: Enlarged, rounded end of bone for articulation• Condyle: Smooth, rounded articular surface• Epicondyle: Bulge above a condyle for muscle attachment• Trochanter: Large, blunt projection for muscle attachment• Foramen: Hole in a bone for passage of blood vessels and nerves