Term
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Definition
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Term
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Definition
| cells that breakdown bone |
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Term
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Definition
| mature bone cell, located in the lacuna |
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Term
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Definition
| mature form of cartilage cell |
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Term
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Definition
| actively mitotic, produce cartilage |
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Term
| 4 classifications of bone |
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Definition
long bone: longer than they are wide, have shaft and two ends
short bone: roughly cube shaped, ankle and wrist bones
flat bone:thin, flattened, somewhat curved; cranial, ribs, sternum, scapula
irregular bone: don't fit into other categories: vertebrae and hip bones |
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Term
| haversian (central) canals |
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Definition
| large central canal in an osteon, houses blood vessels and nerves |
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Term
| perforating (volkmann) canal |
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Definition
| lie at right angles to the central canal and connects blood vessels and nerves to the periosteum |
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Term
| Common types of fractures (6) |
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Definition
Comminuted: bone is in 3 or more pieces
Spiral: ragged break occurs from excessive twisting force (child abuse)
Depressed: broken bone portion pressed inward (typical skull fracture)
Compression: bone is crushed (extreme fall trauma)
Epiphyseal: epiphysis separates from diaphysis at epiphyseal plate
Greenstck: bone breaks incompletely (common in children) |
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Term
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Definition
| bone re-absorption outpaces bone deposition; elevated number of osteoclasts; results in low bone mass |
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Term
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Definition
| bones are inadequately mineralized; osteoid matrix is produced but calcification does not occur: results in soft bones |
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Term
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Definition
| causes osteomalacia in children; can be caused by deficiencies in diet (vitamin D and calcium phosphate) and lack of sunlight |
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Term
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Definition
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Term
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Definition
| between parietal and frontal bones |
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Term
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Definition
| between the parietal and temporal bone |
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Term
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Definition
| between right and left parietal bones at the midline of the skull |
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Term
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Definition
| between parietal bones and occipital bones |
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Term
| Which bone is only attached to the skull by sutures |
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Definition
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Term
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Definition
| a nasal septum that is significantly off center |
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Term
| Concave/Convex sections of spinal column |
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Definition
Cervical: convex
Thoracic: concave
Lumbar: convex |
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Term
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Definition
Cervical: mouse nose with transverse foramen
Thoracic: beak nose
Lumbar: moose nose |
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