UA BSC 109 - Cancer (4 pages)

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Cancer



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Cancer

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discusses signs, causes, and types of cancer


Lecture number:
25
Pages:
4
Type:
Lecture Note
School:
University of Alabama
Course:
Bsc 109 - Intro Biology Non Maj II
Edition:
1

Unformatted text preview:

BSC 109 1st Edition Lecture 25 Outline of Last Lecture I Infertility inability to conceive A Infertility inability to achieve pregnancy after a year of trying B Causes C Enhancing fertility II Sexually transmitted diseases STDs A Transmitted by sexual contact including genital oral genital anal genital B Can be very damaging or deadly C Some are not treatable D Bacterial STDs E Viral STDs F Other STDs Outline of Current Lecture I Cancer an introduction II Tumors can be benign or cancerous III Cancerous cells lose control over their functions and structures IV How cancer develops V Mutant forms of proto oncogenes tumor suppressor genes and mutator genes contribute to cancer VI A variety of factors can lead to cancer VII The immune system plays an important role in cancer prevention VIII Advances in diagnosis enable early detection IX Cancer treatments X Observe skin lesions for Current Lecture Chapter 18 Cancer XI XII Cancer an introduction A Cancer is always a genetic disease B All cancers are diseases of cell division and differentiation C Abnormal cells 1 Malfunctions in growth monitoring that allow for overproduction of cells 2 Can migrate to several different locations throughout lifetime Tumors can be benign or cancerous These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute A B Hyperplasia substantial increase in the rate of cell division Tumor 1 Also known as a neoplasm 2 A discrete mass of cells resulting from hyperplasia C Benign tumors 1 Can still kill you 2 Noncancerous 3 Remain in one location 4 Single well defined mass 5 May be surrounded by connective tissue 6 Often can be readily removed surgically 7 Mutations basis of natural selection and evolution good if leads to natural selection and evolution and bad if it leads to cancer generally not a big deal XIII Cancerous cells lose control over their functions and structures A Dysplasia 1 Abnormal change in



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