Cancer - Bi Sci 001 Friday April 23,1999 Announcements...

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Bi Sci 001 Friday April 23,1999 Announcements: Remember, test is during the final period. That is Friday at 2:30 in this room. Lecture notes: Cancer Definition: a group of diseases characterized by uncontrolled growth and spread of abnormal cells. Cancer causes 23% of all deaths in the U.S. today. Tobacco causes 30% of all cancer deaths. 1 in 3 people will get cancer in his/her lifetime. The 5 year survival rate for cancer in now 50%. Trends in survival rate 1900's 1930's 1940's 1960's 1990 few surgery 20% radiation 25% chemo therapy 40% Detection & prevention 50% Definitions: Cancer Benign : not recurrent Cancer promoter : an agents that encourages metastasis. Carcinogen: an agent which is able to transform a cell into a cancer cell. Carcinoma : malignant tumor made up of epithelial cells. Cocarcinogen : an environmental agent which acts with another to cause cancer.
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Leukemia : cancer of blood forming tissues. Lymphoma : cancer of lymphatic tissues. Malignant : treating to cause death Metastasis
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  • Spring '99
  • Schlegel
  • childhood cancer rates

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