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Acts as a cushion at the joint ends of bone; Forms structures such as the nose and ear |
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Attaches bones to bones; Role in passive postural support. Helps to place limits on a joint's range of motion (ROM) |
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SUPPORTS the muscular system by acting as a system of levers; PROTECTS the vital organs of the body- brain, heart, lungs, kidney; STORES minerals such as calcium and magnesium; PRODUCES blood cells within the marrow. |
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Connective tissue with a mineralized/calcified matrix |
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Fibroblastic stem cells of the endosteum |
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Adult bone cells; Maintains the bone matrix, locked osteoblasts |
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"Calcification"; Hardening of the bone matrix |
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Scapula, sternum, cranial bones |
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Vertebra, sphenoid, ethmoid |
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Joint cartilage; Covers the bony ends of bones; Helps to cushion the bones and decrease friction. |
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Small holes observed on the surface of the cortical bone; Passage ways for blood vessels into the bone |
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Growth plate; Site of bone elongation; Present until adulthood |
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Cortical bone; Dense outer core of bone; Provides the structural properties of bone. |
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Basic unit of bone; Resembles "Tree Rings" |
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Central tunnel for the passage of blood vessels and nerves |
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The bone matrix, This is the actual "Tree Rings"; Each lamella is laid down in opposing directions, allows the bone to absorb tension and compression forces. |
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Cavities in the lamellar rings; Holds the osteocytes that maintain the matrix |
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Horizontal connections between osteocytes; Allows for the exchange of nutrients and wastes. |
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Spongy bone; Medullary bone; Inner spongy core of bone |
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The cavity within the bone containing the marrow bone |
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Lattice of bone; A grid-like formation of bone, contains a lot of space that is filled with marrow |
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Hematopoetic tissue, produces blood cells |
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Regions of Red Marrow in the Adult Skeleton |
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Vertebrae, Sternum, Costals, Humeral heads, Femoral heads |
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Fatty marrow; Most red marrow becomes yellow with age |
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Thin membranous covering around the bones; Osteogenic=> Role in bone forming, repairing and recycling; Region where osteoblastic and osteoclastic activity occurs Pain sensitive |
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Covers the outer cortical bone |
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Exists between the cortical and medullary bone |
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Intramembranous ossification |
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