Term
A meshwork of supporting bundles of fiber found in spongy bone. |
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Definition
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Term
The basic functional unit in compact bone. |
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Definition
Osteon or Haversian SYSTEM |
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Term
In an osteon, the osteocytes are arranged in concentric layers around a... |
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Definition
Central canal or Haversian canal |
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Term
Central canals run (parallel/perpendicular) to the surface of the bone. |
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Definition
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Term
Perforating Canals extend (parallel/perpendicular) to the surface of the bone. |
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Definition
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Term
Creates a target like pattern, with the central canal as the bull's-eye. |
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Definition
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Term
Fill in the spaces between osteons in compact bone. These lamellae are remnants of osteons whose matrix components have been almost completely recycled by osteoclasts. |
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Definition
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Term
Lamellae found at the outer and inner surfaces of the bone, where they are covered by the periosteum and endosteum. |
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Definition
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Term
Help attach tendon to bone |
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Definition
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Term
The space between trabeculae contains... |
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Definition
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Term
Lines the Medullary cavity in a long bone. |
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Definition
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Term
Which three types of bone cells are found in the cellular layer of the periosteum? |
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Definition
Blasts, Clasts, and Progenitor |
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Term
What are three functions of the periosteum? |
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Definition
Isolates bone, route for circulatory and nervous supply, and participates in bone growth and repair. |
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Term
Epiphyseal _____ is replaced by epiphyseal ____ during bone growth. |
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Definition
Plate (cartilage), Line (bone) |
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Term
Intramembranous ossification is formed from... |
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Definition
Mesenchymal or fibrous connective tissue. |
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Term
Areas of fibrous connective tissue that cover unfused sutures in the infant skull |
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Definition
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Term
Compact bone thickens and strengthens long bone with layers of circumferential lamellae. |
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Definition
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Term
Human Growth hormone (gland?) and Thyroxine (gland?) Stimulate _____ growth. |
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Definition
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Term
Estrogen (gland?) and Testosterone (gland?) stimulate __________ activity. |
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Definition
Ovaries, Testes, Osteoblast |
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Term
Over secretion prior to growth plate closure causes... |
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Definition
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Term
Accelerated closure of the epiphyseal growth plate could be caused by... |
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Definition
elevated sex hormone levels. |
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Term
___________ is required for collagen synthesis, and stimulation of osteoblast differentiation. |
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Definition
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Term
___________ stimulates osteoblast activity |
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Definition
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Term
Vitamins ___ and ____ help synthesize bone proteins. |
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Definition
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Term
Cacitriol is produced by ________ and promotes calcium and phosphate ion absorption along the digestive tract. |
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Definition
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Term
____________ is produced by the pituitary gland and stimulates osteoblast activity and the synthesis of bone matrix. |
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Definition
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Term
PTH is produced by the PTH glands and stimulates __________ (and osteoblast) activity. Elevates calcium ion concentrations in body fluids. |
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Definition
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