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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 |  | Definition 
 
        | 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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        | Term 
 
        | Intramembranous ossification |  | Definition 
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