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20 Cards in this Set
- Front
- Back
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What is neoplasia?
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uncontrolled cell growth
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What is neoplastic cells?
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tumor
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What is normal cell growth
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cell divisions under genetic control
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What is a benign tumor
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noncancerous
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What is a malignant tumor
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multiply rapidly; cancer
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What is a tumor that invades other tissues and organs
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metastasis
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What is a cancer of connective tissue
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sarcoma
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What is cancer named by
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-oma
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What do all nucleated cells and oncogenic cells have
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oncogenes
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What is an oncogene that functions normally
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protooncogene and it probably codes for growth factor
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What is an oncogene when activated
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codes for an abnormal protein and transforms a normal cell into a cancer cell
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What can activate an oncogene?
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mutagenic chemical, radiation, oncogenic viruses (oncoviruses)
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What are oncogenic viruses?
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viruses that cause cancer and can integrate their DNA into host genome
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What is the only virus that can insert DNA into host genome?
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retrovirus (HIV)
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What are DNA oncogenic viruses?
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adenoviridae, herpeviridae, poxviridae, papovaviridae, hepadnaviridae, papillomaviridae
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What are RNA oncogenic viruses
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retroviridae
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What does papillomaviridae cause
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HPV, warts, cervical cancer
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What are types of viral infections
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actue, persistent/slow, latent
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What is a latent viral infection
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virus remains in the host without producing any new virions (herpes)
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What is persistant viral infection
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virus remains in the host and slowly produces new virions (progressive encephalitis)
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