CELL DIVISION
CELL DIVISION AND CANCEROUS CELLS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Growth of blood vessels that provides a tumor with nutrients and oxygen
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Movement of cancer cells through the body inducing the production of more red blood cells.
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The orderly destruction of a “bad” cell
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Detailed explanation-1: -Angiogenesis is a term that describes the formation of new blood and lymphatic vessels from a pre-existing vasculature. This allows tumour cells to acquire sustenance in the form of nutrients and oxygen and the ability to evacuate metabolic waste.
Detailed explanation-2: -Which of the following correctly describes angiogenesis? Growth of blood vessels that provides the tumor with nutrients and oxygen.
Detailed explanation-3: -Angiogenesis plays a critical role in the growth of cancer because solid tumors need a blood supply if they are to grow beyond a few millimeters in size. Tumors can actually cause this blood supply to form by giving off chemical signals that stimulate angiogenesis.
Detailed explanation-4: -The tumor microenvironment consists of numerous pro-angiogenic factors, including VEGF, bFGF, and PDGF. These factors are secreted by tumor cells or tumor-infiltrating lymphocytes or macrophages, and can activate pro-angiogenic signaling pathways to promote tumor angiogenesis, growth, invasion, and metastasis.
Detailed explanation-5: -Tumor angiogenesis is the proliferation of a network of blood vessels that penetrates into cancerous growths, supplying nutrients and oxygen and removing waste products. The process of angiogenesis plays an important role in many physiological and pathological conditions.