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Chapter 21 Cancer Development

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Across
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Increase in tissue size by increase in number of cells
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Cancer development; oncogenesis
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Original tumor
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Occurs when cancer cells move from primary location and establish remote colonies
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Cell division
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Screening strategies for early cancer detection; examples: mammography and colonoscopy
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Anaplasia, larger nuclear-cytoplasmic ratio, serve no useful purpose, loose adherence, migration, cellular regulation lost, abnormal chromosomes
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Altered cell growth that is harmless and does not require intervention
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Programmed cell death
Down
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Use of strategies to prevent cancer development; examples: immunizations and avoidance of tobacco smoke
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Single most preventable source of cancer development
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Referring to cancer, altered cell growth that is serious and without intervention leads to death
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May be a chemical, physical agent, or virus that changes the activity of a cell's genes so that the cell becomes cancer
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Protects body from foreign invaders and non-self cells
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Single most important risk factor for cancer
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Specific morphology, smaller nuclear-to-cytoplasmic ratio, differentiated function, tight adherence, nonmigratory, orderly and well-regulated growth
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Increase in tissue size by enlargement of each cell
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Can cause cells to change from normal to cancer when"turned on"
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Any new or continued cell growth not needed for normal development or replacement of dead and damaged tissues
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A system used to describe anatomic extent of cancers