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8 Cards in this Set
- Front
- Back
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Neoplasia
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Formation of /or presence of a new, abnormal growth of tissue
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Most Common Cancers in Men, Women and Children
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Men-prostrate,lung,colon
Women-breast, lung,colon Children-leading cause of death in children 3-15 yrs old |
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Cancer
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Disorder of cell differentiation and growth
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Cell Proliferation
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Tissues acquire new or replacement cells through cell division;Orderly process is regulated in normal cells
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What are the 3 groups proliferating Cells fall into?
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1.Permanent-Cells unable to divide and produce (ex:cardiac, nervous)
2. Labile-Cells in constant state of renewal (ex:skin, GI) 3.Stable- Cells renewed slowly (Blood, Liver) |
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Differentiation
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Orderly process in which proliferating cells are transformed into different or more specialized cells. The more specialized the more likely it undergoes mitosis (cell division)
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Stem Cells
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Undifferentiated cells/they divide to make another stem cell or a progenitor cell (parent cell) as need arises
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What are the cycles in Cellular Growth?
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S-Synthesis/DNA synthesis and replication of chromosomes
M-Mitosis/forms 2 daughter cells Gaps 1 and 2- G1-prepares for DNA replication and mitosis, G2-premiotic phase G0-Resting phase (cell committed to divide or die) Checkpoints in Replication process:Cyclins-proteins check and make sure replication is accurate |
