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Equine Skeletal System

Equine Skeletal System. By Jess and Keara. What bones are made of?. P eriosteum. fibrous membrane rich in blood vessels that envelopes the bone, except at the articular surfaces; it contributes especially to the bone’s growth in thickness. . Compact Bone.

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Equine Skeletal System

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  1. Equine Skeletal System By Jess and Keara

  2. What bones are made of?

  3. Periosteum • fibrous membrane rich in blood vessels that envelopes the bone, except at the articular surfaces; it contributes especially to the bone’s growth in thickness.

  4. Compact Bone • dense bone tissue composed of osteons, which resist pressure and shocks and protect the spongy tissue; it forms especially the diaphysis of the long bones. • Osteon- elementary cylindrical structure of the compact bone made up of four to 20 concentric bone plates that surround the Haversian canal.

  5. Haversian Canal Osteon • Elementary cylindrical structure of the compact bone made up of four to 20 concentric bone plates that surround the Haversian canal. • Lengthwise central canal of the osteon enclosing blood vessels and nerves.

  6. Spongy Bone • Tissue made of bony compartments separated by cavities filled with bone marrow, blood vessels and nerves • This structure gives bones their lightness.

  7. Medullary Cavity • Cylindrical central cavity of the bone containing the bone marrow • Encloses lipid-rich yellow bone marrow • Soft substance contained in bone cavities, • producing blood cells; • marrow is yellow in the long bones of adults. Bone Marrow

  8. Volkmann’s Canal • Transverse canals of the compact bone enclosing blood vessels and nerves; • Connect the Haversian canals with each other and with the medullary cavity and the periosteum Blood Vessel • Channel in the bone through which the blood circulates, carrying the nutrients and mineral salts the bone requires

  9. Articular Cartilage • Smooth resistant elastic tissue covering the terminal part of the bone where it articulates with another bone • it facilitates movement and absorbs shocks

  10. Connective Tissue

  11. Ligaments • Link bones • Sheets of strong, fibrous connective tissue • Identical to tendons in muscular system • Only difference is there function • Ligaments attach bone to bone and tendons attach muscle to bone

  12. Cushioning… • Cartilage • Smooth resistant elastic tissue covering the terminal part of the bone where it articulates with another bone • it facilitates movement and absorbs shocks • Synovial Fluid

  13. Sources • http://visual.merriam-webster.com/human-being/anatomy/skeleton/structure-long-bone.php • http://www.besthealth.com/besthealth/bodyguide/reftext/html/skel_sys_fin.html#joints

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