Why tumors grow? Tumors grow because their cells multiply constantly. Therefore, the formation, autonomous and independent organization that is not related to the body and is not of itself rather than in relation to nutrition. A tumor on the body behaves as something strange: the cost of their lives as well as parasites, taking from it the necessary nutrients. Growth is generally limited, as only a few cases up to the park. The tumor, therefore, infinite growth neoformations autonomous, ie not connected to the body in an organic-based. The core of this definition is precisely the autonomy of tumor formation.
All the cells of our bodies can grow with tumor phenotypes, albeit in very different degrees. So, for example, connective tissue and epithelial tumors are often, if not go to the nerve cells. Many tumors formed only by a cloth, for example, joints, cartilage or muscle, the other two networks, for example, epithelial tissue, the other with a variety of networks. In the latter case, the different species of cells in a tumor can be set as they would in normal circumstances. Then it is easy to identify its origin. But they also can grow differently: the interstitial cells forming substances can usually proliferate in tumors without training them. Established tumors, and then, only with the cells and corresponding tissue from embryos in difficult circumstances to recognize this source.
Conceptual distinction made here between self-neoplastic cell growth in embryos regeneration, and hyperplasia, especially compared to the neoplasm tumor cells, can be implemented with such precision in all cases.
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