Nursing NUR401 Lecture Notes - Lecture 1: Alpha-Fetoprotein, Motility, Cyclophosphamide
Document Summary
A group of more than 200 disease characterized by unregulated cell growth of cells. Leading cause of death in canada since 2008 in all province. Lung cancer is the leading cause of premature death from cancer (tobacco use rf for this & other cancer types) Many cancer risk factor can be preventable, modifiable risk factors for cancer are: 2 major defects present in ther process of cancer. Stem cells are present in most human cells, stem cells are viewed as target/origin of cancer cells. Cell proliferation (originates in stem cells, the stem cells enters a cell cycle) occurs when the body needs more cells. According to stem cell theory: a mutation of stem cells results from loss of intracellular control of proliferation. Generation time: time from when the cell enters the cycle the time the cell divides into 2 identical cell. Under normal circumstance, cell proliferation = cell degeneration.
