What is a cancer PDF?
Cancer is the uncontrolled growth of abnormal cells anywhere in the body. These abnormal cells. are termed cancer cells, malignant cells, or tumor cells. These cells can infiltrate normal body. tissues.
What is the introduction of cancer?
Cancer is a disease caused when cells divide uncontrollably and spread into surrounding tissues. Cancer is caused by changes to DNA. Most cancer-causing DNA changes occur in sections of DNA called genes. These changes are also called genetic changes.
What is cancer in general biology?
In biology, cancer is defined as the malignant growth due to uncontrolled cell division. It is now used as a general term for over a hundred diseases characterized by the uncontrolled, abnormal growth of cells.
What do you know about cancer biology?
Cancer is a genetic disease. It is caused by a number of changes (mutations) in the genes in our body that control cell growth or regulate the detection and repair of DNA damage. Often there is more than one gene involved in cancer development. Cancer is the result of accumulated mutations to a person’s DNA.
How do you explain cancer?
Cancer happens when cells that are not normal grow and spread very fast. Normal body cells grow and divide and know to stop growing. Over time, they also die. Unlike these normal cells, cancer cells just continue to grow and divide out of control and don’t die when they’re supposed to.
What are the five types of cancer?
Types of Cancer Carcinoma is a cancer that starts in the skin or the tissues that line other organs. Sarcoma is a cancer of connective tissues such as bones, muscles, cartilage, and blood vessels. Leukemia is a cancer of bone marrow, which creates blood cells. Lymphoma and myeloma are cancers of the immune system.
What do cancer biologists do?
Investigators in the Department of Cancer Biology study all stages of tumor mechanisms and progression, including early tumorigenesis, malignant progression, tumor invasion and tumor metastasis.
What are the 5 main types of cancer?
The major types of cancer are carcinoma, sarcoma, melanoma, lymphoma, and leukemia. Carcinomas — the most commonly diagnosed cancers — originate in the skin, lungs, breasts, pancreas, and other organs and glands.
What are the 3 broad types of cancers?
The following broad categories indicate the tissue and blood classifications of cancer.
- Carcinoma. A carcinoma is a cancer found in epithelial tissue, which covers or lines surfaces of organs, glands or body structures.
- Sarcoma.
- Lymphoma.
- Leukemia.
- Myeloma.
What is the simple definition of cancer?
(KAN-ser) A term for diseases in which abnormal cells divide without control and can invade nearby tissues. Cancer cells can also spread to other parts of the body through the blood and lymph systems. There are several main types of cancer.