Originally, the word Tumor, means "swelling". Often times it is still used with this mean, but more so a Tumor meaning swelling is among the five major classic characteristics of imflammation. In modern science the term Tumor is primarily saved to denote the abnormal growth of tissue.
There are two major types of tumors: Malignant and Benign
Malignant Tumors are called also known as cancer. Cancer in this form has the readily available potential to invade and destory bordering tissues. Benign Tumors on the other hand do not invade the bordering tissues, or create metastases, rather they may localy grow to a great size. Under normal circumstances Benign Tumors will not return once they have been removed surgically.
The older a person gets the more mutations they have accumulated amongst their DNA, which makes them more prone to tumors. With that in mind, age is a factor, and with increasing age, the likelyhood of developing a tumor increases. Also known is that the older an individual who is affected with a tumor is, the higher the odds that the tumor will be malignant.
Tumors are causes by mutations that can occur in DNA of our bodies cells. A single mutation is not sufficient for a tumor to develop but rather an accumulation of multiple. The most common type of tumor that we hear about on a day to day basis is a "Brain Tumor"
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Ryan Fyfe is the owner and operator of Brain Tumor Symptoms - www.brain-tumor-symptoms.com, which is the best site on the internet for all Tumor related information. |
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