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Cancer Biology BIO346 Ch. 12
Chapter 12
11
Biology
Undergraduate 3
05/21/2012

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Term
hormone replacement therapy (HRT)
Definition
when a person is going through a specific physiological change where hormone deficiency leads to health problems- menopause leads to lowered estrogen production.
Term
Food and Drug Administration (FDA)
Definition
federal agency whose jurisdiction includes most foods other than meats. they can ban food additives or contamination. set guidelines for food prep, etc.
Term
zero tolerance
Definition
if substance is found to cause cancer in animals, the substance is banned
Term
Environmental Protection Agency (EPA)
Definition
creates regulatory standards for carcinogens that contaminate the environment (arsenic levels in drinking water).
Term
antioxidant
Definition
inhibitors of oxidation reactions.
Term
dietary fiber
Definition
indigestible portion of plant foods that is composed mainly of complex polysaccharides that human bodies can't break down.
Term
chemoprevention
Definition
specific chemical substances used for protection against cancers.
Term
cyclooxygenase (COX)
Definition
enzyme that catalyzes the production of chemical messengers called prostaglandins. these act on blood vessels, nerve and immune system cells to trigger tissue inflammation.
Term
inflammation
Definition
redness, pain, swelling and heat.
Term
selective estrogen receptor modulators (SERMs)
Definition
blocks hormone action in some tissues but act like the hormones in other tissues- tamoxifen.
Term
finasteride
Definition
enzyme inhibitor that blocks the production of dihydrotestosterone. inhibiting androgen activity, blocks cancer cell growth.
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