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

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
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.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Leukemia : cancer of blood forming tissues. Lymphoma
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/21/2008 for the course BI SC 001 taught by Professor Schlegel during the Spring '99 term at Penn State.

Page1 / 3

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

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online