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Spongy Bone Essay

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Bone structure
Spongy bone also knowns as cancellous contain red and yeallow bone marrow. Red bone marrow produces roughly 200 million of red blood cells (RBC) per a day. Yellow bone marrow contains primary fat cells. This can be transformed into red bone marrow to provide RBC if needed (Ivy Rose Holistic,n.d). The sponge is light and have low density which balance the heavier parts of bone. Sponge tend to form a long line of stress which gives strength and flexibility in that area (Biology dictionary, n.d). articular cartilage is smooth elastic tissue which decreases friction and distribute load. Cartilage exhibits stress-shielding of the solid matrix components due to its high-water content, the incompressibility of water and the structural organization of the proteoglycan and collagen molecules (Derek Moore,n.d). Epiphyseal line is area of developing tissue and everyone has at least two, one at each end of bonePeriosteum is outer membrane which contains connective tissue, nerves and capillaries. It allows blood in and out of bone and help with growth and repair (PubMedhealth,n.d). compact bone provides the strength and protection of bones. It provides strong mechanical layers which with …show more content…

The protective cartilage on the ends of bones breaks down, causing pain, swelling and problems moving the joint. Bony growths can develop, and the area can become inflamed. The major symptoms are joint pain and stiffness. Some people can have swelling, tenderness and grating or crackling sound when moving (NHS,n.d). These are the symptoms Mohamed reported to the doctor. The fact Mohamed is 55 years old can increase the risk of osteoarthrosis as well. Cartilage is a rubbery material that covers the ends of bones in joints. Its main function is to reduce friction and helps to absorb shocks. Over time the cartilage may wear away in some areas. This decreases the ability to act as a shock absorber (Webmd,

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