Questions and Answers
How many stages of ossification are mentioned in the text?
When does ossification begin according to the text?
When does secondary ossification of the atlas typically complete?
How many primary ossification centers are there in the axis (C2, Epistropheus)?
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At what age range do the primary and secondary ossification centers of the axis (C2, Epistropheus) complete?
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How many ossification centers are there for C3-C7 and T1-T12 collectively?
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When does primary ossification of the atlas complete?
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What is the main purpose of primary ossification in C3-C7 and T1-T12?
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How many ossification centers are there in the lumbar vertebrae?
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When does the sacrum ossification typically complete?
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How many primary ossification centers are there in the lumbar vertebrae?
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At what age does ossification occur in the lumbar or upper thoracic region according to the text?
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How many secondary ossification centers are present in the sacrum?
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What is the total number of ossification centers in the lumbar vertebrae and sacrum combined?
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What is the definition of spondylolysis?
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What causes spondylolisthesis?
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What is tropism in relation to the spine?
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What characterizes a transitional vertebra?
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Which region is spondylolysis usually found in?
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What is the clinical abnormality associated with spondylolisthesis?
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What is the typical cause of spondylolisthesis?
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Where is tropism usually found in relation to the spine?
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In the context of embryonic development, what is the function of neurulation?
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What is the primary ossification of the coccyx?
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What is a common clinical abnormality associated with a hemivertebra?
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What is the cause of a butterfly vertebra?
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What does sacralization refer to?
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In spondylosis, what degenerates due to degeneration of the spinal column?
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What is spina bifida primarily caused by?
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