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Definition essay cancer

definition essay cancer

Jumping genes are often involved in this conversion. Similar to other types of can be life threatening. 2019 Examples from the Web for cancer After four or five months of casual interaction, they realized they both had lost a young parent to cancer. Paps test (cytological staining) is used for detecting cancer of cervix and other parts of genital tract, (iii) Techniques such as radiography (use of X-rays CT (computed tomography MRI (magnetic resonance imaging) are very useful to detect cancers of the internal organs. Cancer is referred to as an ailment characterised by an unrestrained growth of abnormal cells which if untreated and unchecked eventually kills the patient. These therapies can be used either singly, or in a suitable combination. Treatment of Cancer: Four general methods of treatment for cancer are currently available. Unfortunately, symptoms of bone are not always obvious. The New Dictionary of Cultural Literacy, Third Edition Copyright 2005 by Houghton Mifflin Harcourt Publishing Company. Rapid change in rate of growth, colour and form of mole or wart. Any evil condition or thing that spreads destructively; blight. Science definitions for cancer cancer knsr A disease characterized by any of various malignant neoplasms composed of abnormal cells that tend to proliferate rapidly and invade surrounding tissue.

Essay on Cancer: Types, Causes and Treatment

These are caffeine, nicotine, products of combustion of coal and oil and pesticides; constant use of artificial sweetener can cause cancer. Kan-ser / kæn sr / noun, pathology. Diethylstibetorol (DES) Vagina. In MRI strong magnetic fields and non-ionizing radiations are used to detect pathological and physiological changes in the living tissue. Cancer (the Crab) is the fourth sign of the zodiac. It usually develops in the cartilage of the pelvis, upper part of legs and arms, and the shoulder. Thus chemotherapeutic drugs kill cancerous cells. Meaning "person born under the zodiac sign of Cancer " is from 1894. A common weed Catharanthus roseus is the source of two anticancer drugs, Vinblastine and Vincristine used in the treatment of leukaemia. Is a disease that occurs on or inside a bone. Only malignant tumours are properly designated as cancer. Cancer stick "cigarette" is from 1959.

Cancer, which represents more than 100 separate diseases, destroys tissues definition essay cancer and organs through invasive growth in a particular part of the body and by metastasizing to distant tissues and organs through the bloodstream or lymph system. Chemotherapy: It involves the administration of certain anticancer drugs. (iii) Cancer of lymphoid tissues is called lymphoma. (iii) Tumour Viruses: Some viruses are known to be connected with oncogenic transformations. Although this disease is a leading cause of death in the United States, research has provided considerable insight into its many causes (which may include diet, viruses, or environmental factors) and options for treatment (which include radiation, chemotherapy, surgery, and possibly gene therapy ). It is known that these viruses have RNA as genetic material. Patients are given substances called biological response modifiers like a interferon which activates their immunity system and help in destroying the tumours. It is mainly due to late detection. Presence of any persistent lump or thickening of tissues in lip, tongue or breast. (iv) Cancer cells spread from tissues to tissues. This excessive proliferation gives rise to a mass of cells which is initially known as benign tumour. In CT, X-rays are used to generate a three dimensional image of internal organs.

Cancer: Causes, Types and Treatment of Various Types

In India nearly four lakhs of people definition essay cancer are affected by cancer every year. Most cancers are treated by combination of surgery, radiotherapy and chemotherapy. Radiations: The X-rays, cosmic rays, ultra-violet rays, etc. Bone cancer can sometimes be hard to detect. Chondrosarcoma is another type of bone cancer. Some of the cancer cells get detached from the main site of origin and travel by blood and lymph to sites distant from the original tumour and form fresh colonies, called metastasis or secondary growth. A regular change in bowel movements.

Carcinogens definition essay cancer and Organs Affected: Carcinogens Organs Affected. Published by Houghton Mifflin Harcourt Publishing Company. (iii) Cancer of muscle tissue is known as myoma. The American Heritage Science Dictionary Copyright 2011. Cigarette smoke (N-nitrosodimenthylene) Lungs. Related formscancerous (knsr-s) adj. But cancer cells do not respond to normal growth control mechanism. These cells utilize the total food of the body. Causes of Cancer : The real cause of cancer is not yet known. (ii) Radiotherapy: The affected organs are irradiated to kill the cancerous cells and prevent them from spreading. Thus, they include the cancers of bones, cartilages, tendons, adipose tissue, lymphoid tissue and muscles. Change in the voice. Oncogenes : Oncogenes (Gk.

Research Paper on Cancer - Dream Essays

Published by Houghton Mifflin Company. Efforts are being made to develop cancer vaccines. The old or existing cells divide by mitosis to form new cells. Ewings Sarcoma usually affects people from 10-20 years old. Cadmium Oxide Prostate gland. Excessive smoking has been found to be associated with lung cancer, cancer in urinary bladder, mouth, throat, larynx etc. Blogger Shares and Shames Cancer in Lily Amy GranthamDecember 9, 2014 daily beast Claiming to be useful against Ebola, autism, and cancer, Young Living Essential Oils came under fire from the FDA.

Aflatoxin (a mould metabolise) Liver. Honey Boo Boo, Snake Oil, and Ebola: The Weird World of Young Living Essential Oils Kent SepkowitzDecember 5, 2014 daily beast The cancer of the cheek in the parent becomes cancer of the bone in the child. It is found that no organ of body and no species is free from cancer. Doctors are not completely sure what causes, but they continue the search to find an answer. Chondrosarcoma affects people from ages 50-60 years old. Causes of Cancer: Study of cancer cells is called oncology. So the affected person becomes weak, looses his weight and ultimately dies. 1) adjective astrology born under or characteristic of Cancer Also (for senses 2b, 4 Cancerian (kænsrn) Collins English Dictionary - Complete Unabridged 2012 Digital Edition William Collins Sons. It is now held that all cells carry some cancer causing genes definition essay cancer called oncogenes which when activated under certain conditions could change into oncogenic cells. When recognizing symptoms at an early stage, doctors can complete testing and supply treatment. The sun being in Cancer at the summer solstice, the constellation had association in Latin writers with the south and with summer heat. Oncogene in such cases therefore is dominant over its Proto- oncogene counterpart. Radon (Rn-220 Cobalt (Co-60) and Iodine (1-131) are radioisotopes which are generally used in radiotherapy.

This lump increases rapidly causing ulcers. Bone can occur in any bone in the body from the legs to definition essay cancer the head. A large number of dyes, chemicals, heavy metals can cause cancer. Persistent indigestion, difficulty in swallowing. They are of two types, radiations and chemicals.

Short Essay on Cancer

The following aspects can be attributed to the cause of cancer: advertisements:. The DNA directs the cells to divide and stops the division when not required. So far trans membrane proteins to transcription factors. Proto-Oncogenes : Proto-oncogenes participate in normal cell function, and in certain cases, a mutation or aberrant activation of a Proto- oncogenes causes tumour formation. (ii) Tumour suppressor genes that inhibit cell proliferation. Carcinoma: This type of cancer originates from skin or cells which lines the internal organs.

Once this happens, they migrate to definition essay cancer many other sites in the body where the cancer cells continue to divide. The tumour later grows quickly. Detection and Diagnosis of Cancer: It depends upon histological features of malignant structure, (i) Bone marrow biopsy (a piece of the suspected tissue cut into thin sections is stained and examined under microscope by a pathologist) and abnormal. Broken bones can also result from bone cancer. The genes of oncogenic viruses are known as viral oncogenes.

400 words descriptive essay on Cancer

Vinyl chloride (VC) Liver. Mammography is definition essay cancer radiographic examination of breasts for possible cancer, (iv) Monoclonal antibodies coupled to appropriate radioisotopes can detect cancer-specific antigens and hence cancer. See under tropic(def 1a). (iii) Genes that regulate programmed cell growth. Types of Tumours: There are two types of tumours: benign and malignant. Properties of Cancer Cells, (i) Uncontrolled proliferative ability, (ii) Extracellular growth factors are not required, (iii) Overgrowth and ability to invade new sites (metastasis (iv) Nucleus becomes irregular with abundant granules, advertisements: (v) There is increase in number of lysosomes, reduction. Treatment of Cancer: Cancer is curable, if it is detected at the early stages. The fourth sign of the zodiac: the cardinal water sign. Alcohol is thought to be the cause of cancer in stomach, liver, gall bladder etc. The viral oncogenes may interact with the oncogenes of the cell, called proto-oncogenes and take control of the cell function. Advertisements: Cancer: Causes Types and Treatment of Various Types of Cancer! (ii) Tumour Promoters: They promote proliferation of cells which have undergone oncogenic transformation,.g., some growth factors, hormones. Sites of Cancer : Though cancer can develop at any part or organ of the body, it mostly develops in some organs like liver, alimentary canal, larynx, pharynx, tongue, lips, gall bladder, lungs, uterus, urinary bladder, lymph nodes, bones etc.

Even though the above symptoms can also lead to other. Online Etymology Dictionary, 2010 Douglas Harper Medicine definitions for cancer cancer knsr. Types of Cancer: Cancer can be divided into different types:. By the process of reverse transcriptase, these RNA make copy of the DNA. No symptoms are noticed. Researchers are investigating other treatments, such as immunotherapy (the stimulation of the body's natural defenses vectorization definition essay cancer (aiming chemicals specifically at cancer cells and nanotechnology (targeting cancer cells with minute objects the size of atoms). A person born under this sign, usually between June 21 and July. Certain conditions initiate these genes to multiply and destroy the normal controlling factor of the cells.

This division is controlled and regulated by some factors. Normal cells have a limited life span. The pathological condition characterized by such growths. The Green Carnation Robert Smythe Hichens Diseases, like tuberculosis and cancer, that run a long definition essay cancer but assuredly fatal course, usually terminate unexpectedly. Unusual bleeding or discharge of blood. Biological Agents: Some viruses and other parasites, excessive secretion of certain hormones are believed to cause cancers. M, (December 31, 1969). (ii) Cancers of adipose tissue are known as lipomas.