Ch. 6 Histology
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| produce new bone matrix | osteoblasts
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| mature bone cells | osteocytes
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| mesenchymal cells present in small numbers in the inner, cellular layer of the peritoseum | osteoprogenitor cells
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| cells that remoce and recycle boneimatrix | osteoclasts
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| struts and plates in spongy bone | trabeculae
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| osteoprogenitor cells in the inner later of the periosteum differentiate into osteoblasts and add bone matrix to the surface | appositional growth
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| fibrous outer layer and a cellular inner layer. isolates the bone from surrounding tissues, provides a route for the blood and nervous supply, actively participates in bone growth and repair. | periosteum
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| incomplete cellular layer that lines the medullary cavity | endosteum
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| when mesenchymal cells differentiate into osteoblasts within embryonic or fibrous connective tissue | intramembranous ossification
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| inadequate production of growth hormone leads to reduced epiphyseal cartilage activity and abnormally short bones | pituitary growth failure
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| epiphyseal cartilages of the long bones grow unusually slower and are replaced by bone early in life | achondroplasia
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| very tall and have long, slender limbs, due to excessive cartilage formation | Marfan syndrome
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| rare single gene disorder that involves the deposition of bone around skeletal muscles | fibrodysplasia ossificans progressivs FOP
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| bones that develop in unusual places | heterotopic (place) or ectopic (outside) bones
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| hormone that increases blood calcium levels | parathyroid hormone PTH
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| hormone that decreases calcium ion concentration in body fluids through two different mechanisms | thyroid gland
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| large blood clot | fracture hematoma
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