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Tumor originally just meant "swelling", but the term is very often used to denote abnormal ( malignant or benign) growth of tissue.

Malignant tumors ( cancer) invade and destroy neighboring tissues and can become metastatic. Benign tumors do not invade neighboring tissues and do not seed metastases, but may locally grow to great size.

See also : Apoptosis -- Oncogene -- Tumor suppressor gene -- Carcinoma -- Sarcoma -- Lymphoma -- Leukemia

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Topics: Tumor Suppressor Gene, Tumor Necrosis Factor, Tumor Lysis...

Tumor suppressor geneA tumor suppressor gene is a gene that reduces the probability that a cell in a multicellular organism will turn into a tumor cell. A mutation or deletion of such a gene will increase the probability of a tumor. In that way, a tumor suppressor gene is sim	TumorTumor originally just meant "swelling", but the term is very often used to denote abnormal ( malignant or benign) growth of tissue. Malignant tumors ( cancer) invade and destroy neighboring tissues and can become metastatic. Benign tumors do not invade ne	Tumor necrosis factorIn medicine, tumor necrosis factor alpha (TNF, cachexin or cachectin) is an important cytokine involved in systemic inflammation and the acute phase response. Structure TNF is a member of a group of other cytokines that all stimulate the acute phase react
Tumor lysis syndromeIn medicine ( oncology and hematology), tumor lysis syndrome is a complication of chemotherapy to particularly large tumors, e. bulky lymphomas. Breakdown products ( lysis) of the cancer cells enter the bloodstream; many are biochemically active substance

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