A&P
Help!
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| Longer than they are wide | Long bones
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| Broad as they are long | Short bones
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| Various sized and shaped | Irregular bones
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| Flat, thin, often curved | Flat bones
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| Shaft-like portion of the bone | Diaphysis
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| Bulbous structure | Epiphysis
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| Covering surface of the epiphysis | Articular cartilage
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| Hollow portion | Medullary cavity
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| Dense fibrous membrane that covers the diaphysis | Periosteum
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| Red bone marrow | Blood cell-producing
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| Yellow marrow | Rich in fat
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| Medullary cavity is lined with thin epithelial membrane | Endosteum
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| What separates the epiphysis from the diaphysis at each end of a long bone | Epiphyseal plate/growth plate
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| Osteoblasts | help form bone by secreting substances that comprise the bone's matrix
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| Osteoclasts | dissolve unwanted or unhealthy bone
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| Osteocytes | Mature osteoblasts that have become entrapped in the hardened bone matrix
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| Osseous tissue | Bone
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| Collagen fibers in the matrix make bone highly resistant to stretching forces | Tensile strength
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| Calcium salts allow bones to resist strong squeezing forces | Compressional strength
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| Bone lacks the ability to endure twisting | Torsional strength
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| Consisting of latticework | Spongy/trabeculae
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| Elaborate network of canals and passageways containing nerves and blood vessels | Compact bone
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| 4 factors that affect bone growth and maintenance | Heredity, Nutrition, Hormones, Exercise
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| Simple fracture | bone remains aligned and the surrounding tissue is intact
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| Compound fracture | bone has pierced the skin
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| Greenstick fracture | incomplete, similar to when a green stick breaks
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| Comminuted fracture | bone is broken into pieces
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| Spiral fracture | result of twisting force
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Or sort by any of the columns using the down arrow next to any column heading.
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