Skeleton 9/12 Notes Bone Biology Bone Biology * Bone is both a tissue and an organ. It is a specific type of biological tissue with its own unique chemical and molecular structure. Bone is a unique combination of organic and inorganic components. * Two levels of study * Macroscopic: gross morphological features * Microscopic: aka histology‚ study of tissues * Two levels of histology * Cellular * Molecular Bone Biology – Macroscopic * All bone in adult skeleton is
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Bone Cancer Bone cancer is a disease that occurs on or inside a bone. Usually‚ bone cancer involves a tumor filled with abnormal cells that will occasionally appear on the exterior of the bone. Similar to other types of cancer‚ bone cancer can be life threatening. Doctors are not completely sure what causes cancer‚ but they continue the search to find an answer. There are five different types of bone cancer that can affect people from ages 10-60 years old. Bone cancer can occur in any bone in the
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SUNGLASSES MITTENS COAT DECEMBER SPRING WEATHER DRY Across Down 5. We wear _____ to keep the hands warm in the winter. 7. In China‚ the winter is usually in ______ ‚ January and February. 9. We wear _______ and shorts in the summer. 10. What’s the opposite of wet? 1. I usually wear my orange _____ in the winter. 2. It’s usually hot and sunny in _______ . 3. In winter the weather is snowy and _____ . 4. What do you ____ in the summer? 6. It’s usually rainy and wet in ______ . 8.
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Cartilage and bone are both stiff connective tissues which form an essential structural component of the body of animal organisms‚ including human beings. However‚ they are also quite different in both composition and function. Bones are extremely hard‚ dense tissue which provide a supportive frame for the body ‚ as well as serving as production and storage centers for cells and minerals‚ whereas cartilage is a more flexible tissue found in more specific locations of the body‚ essentially midway
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Salient Points Bone Formation * Bone formation termed ossification of calcification * Endochondral ossification – Forms all bones below skull (except clavicle) New bone forms from a hyaline cartilage model Bone tissue replaces the cartilage model Begins in the interior of each bone from an ossification center Ossification center – group of stem cells that transform into osteoblasts Long bones – ossification centers in the diaphysis and each epiphysis Short bones – one ossification
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up of cartilage and bone. Both bone and cartilage are connective tissues‚ that is‚ they are composed of cells in a matrix with intracellular fibers. Just imagine connective tissue as a gelatin salad with grapes and coconut. The grapes would represent cells‚ the gelatin the support material for matrix‚ and the pieces of coconut the intracellular fibers. By changing the amounts of each ingredient and adding extra substances‚ we can produce a material that is very hard like bone and can withstand weight
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06/20/2013 “Body and Bones” The question for this assignment is what are the steps that the system goes through from childhood to adulthood to reach 206 bones? I don’t think there is an exact science on these steps really. When we are born we have about 270 bones in our body. These bones are soft and called cartilage. As we get older it gets hard and turns into bone. The bone in a baby’s body needs calcium which they get from their milk mainly for
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Unit 5 Reading Guide Questions Which minerals are stored in bones? Triglycerides‚ calcium phosphate‚ and calcium hydroxide are all stored in the bones as mineral salts Which types of bones provides a large‚ flat surface area for muscle attachment? Flat bones such as the scapulae have large‚ flat surface area for muscle attachment. Describe the location‚ composition‚ and function of the epiphyseal plate. The epiphyseal plate is located in the metaphysis‚ and is composed of hyaline cartilage
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There is a difference of opinion among canine experts as to whether bones should be given to a dog raw‚ cooked‚ hard‚ or soft‚ and even whether they should be given at all. On one point‚ however‚ there is total agreement‚ never give a dog splintering bones from chicken‚ pork‚ fowl‚ and rabbit‚ (although chicken bones that have been cooked in a pressure cooker until they are very soft can be quite nourishing and safe). A marrow bone is the traditional symbol of a treat for a dog‚ and he obviously appreciates
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~Cross-section of a bone~ Articular cartilage - is a white‚ smooth tissue which covers the ends of bones in joints. Periosteum - is a fibrous sheath that covers bones. It contains the blood vessels and nerves that provide nourishment and sensation to the bone. Cortical bone - forms the outer shell of all bone and also the shafts in long bones. Trabecular bone - is the tissue that makes up the interior of bones. Epiphyseal
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