Basal Cell Skin Cancer Basal cell skin cancer is a cancer that develops from the skin’s basal cells. The basal cells are located in the outermost layer of the skin called the epidermis and can be found in the deepest layer of the epidermis [1]. Basal cells constantly divide to form new cells in order to replace the squamous cells. As basal cells move up in the epidermis‚ the basal cells flatten and eventually become simple squamous cells. Separating the epidermis from deeper layers of the skin‚ the
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Sugar doesn’t make cancer grow faster. All cells‚ including cancer cells‚ depend on blood sugar (glucose) for energy. But giving more sugar to cancer cells doesn’t speed their growth. Likewise‚ depriving cancer cells of sugar doesn’t slow their growth. This misconception may be based in part on a misunderstanding of positron emission tomography (PET) scans‚ which use a small amount of radioactive tracer — typically a form of glucose. All tissues in your body absorb some of this tracer‚ but tissues
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Discuss in detail the Cell Cycle‚ Mitosis and Meiosis. Cells have the ability to grow‚ have particular functions‚ and replicate during their life. Although cell enlargement is part of organismal growth‚ cell replication is also required and allows growth without each cell becoming too large. All of these activities are part of a repeating set of events known as the cell cycle. The major feature in the cell cycle is cellular replication and what enables for cellular replication is the process
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REDISCOVERING BIOLOGY Cell Biology and Cancer “ We now understand a lot about cancer. We know that it results from a series of genetic changes having to do with cell division and growth control and genetic instability‚ mortality‚ the suicide mechanism in cells; the ability of the cells to migrate; the ability of the cells to attract to them a blood supply. And so that’s pretty profound that in a few sentences one can summarize a sophisticated‚ fundamental understanding of what a cancer is.” LELAND HARTWELL
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TRIXIE 1. A 25 year old patient is inquiring about the methods or ways to detect cancer Wearlier. The nurse least likely identify this method by stating: A. Annual chest x-ray. B. Annual Pap smear for sexually active women only. C. Annual digital rectal examination for persons over age 40. D. Yearly physical and blood examination 2. The removal of entire breast‚ pectoralis major and minor muscles and neck lymph nodes which is followed by skin grafting is a procedure called: A. Simple mastectomy
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Cells Cells Cell division and cancer Victoria Brothwell Strayer University Cells Introduction Regular cells and cancel cells are extremely different. Depending on the cancer that one may have cancer cells have more chromosomes that are scattered which is for why cancer cells are formed. In cell division all living things obtain cells in which come from other preexisting cells. If normal cells are do not divide and make new cells then cancer will occur. In order of all cells to be
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and neck cancer is a broad term that describes many different cancers that start in the head and neck. Most oral‚ head and neck cancers begin in the cells that make up the moist tissues (mucosal surfaces) of the mouth‚ nose and throat. Like other cancers‚ these cancers occur when abnormal cells begin to grow and divide uncontrollably and form a mass‚ called a malignant tumor. Doctors identify oral‚ head and neck cancers by the area in which the cancer begins: Lip and oral cavity cancer occurs
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types of liver diseases .Liver cancer is one of them. Liver cancer‚ also known as hepatic cancer which is a cancer that starts in the liver‚ and not from another organ which eventually migrates to the liver. The liver can be affected by primary liver cancer‚ which arises in the liver‚ or by cancer which forms in other sites and then spreads to the liver. Primary liver cancer‚ which starts in the liver‚ accounts for about 2% of cancers in the U.S but up to half of all cancers in some undeveloped countries
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Radiation therapy uses high-energy radiation to shrink tumors and kill cancer cells. X-rays‚ gamma rays‚ and charged particles are types of radiation used for cancer treatment. The radiation may be delivered by a machine outside the body called a linear accelerator to focus x-rays directly on the tumor or tumor bed (external-beam radiation therapy)‚ or it may come from radioactive material placed in the body near cancer cells (internal radiation therapy‚ also called brachytherapy). Systemic radiation
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CANCER : CAUSES AND WAYS TO OVERCOME Introduction * Cancer is a term used for diseases in which abnormal cells divide without control and are able to invade other tissues (Source: Cancer Free‚ Philip Bashe‚ Simon & Schuster‚ 1994). * Cancer cells can spread to other parts of the body through the blood and lymph systems (Source: Cancer Free‚ Philip Bashe‚ Simon & Schuster‚ 1994). * There are many types of cancers such as prostate cancer‚ breast cancer‚ lung cancer‚ stomach
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