An abnormal growth of tissue resulting from uncontrolled growth of cells and serving no function within the body; a cancerous growth. Tumors can be benign (unlikely to spread to other body parts) or malignant (likely to spread). See Note at cancer.
http://www.thefreedictionary.com/Tumors
Tumors are called also cancers or neoplasms, which means that they are composed of new and actively growing tissue. Their growth is faster than that of normal tissue, continuing after cessation of the stimuli that evoked the growth, and serving no useful physiological purpose.
http://medical-dictionary.thefreedictionary.com/tumor
As he started to delve more deeply into the etiology of the disease, he realized that within Japan's extensive cancer-screening program, which almost the entire working population submits to twice a year at company expense, the imaging method of detection was too coarse to detect. until they were well established.
http://www.thefreedictionary.com/Tumors
Noun. 1. tumor-an abnormal new mass of tissue that serves no purpose. neoplasm, tumour. growth - (pathology) an abnormal proliferation of tissue (as in a tumor). acanthoma, skin tumor-a neoplasm originating in the epidermis.
http://www.thefreedictionary.com/Tumors
brain tumor, brain tumour-a tumor in the brain. carcinoid-a small tumor (benign or malignant) arising from the mucosa of the gastrointestinal tract; usually associated with excessive secretion of serotonin.
http://www.thefreedictionary.com/Tumors
Treatment is also specific to the location and type of the tumor. Benign tumors can sometimes simply be ignored, or they may be reduced in size (debulked) or removed entirely via surgery. For cancerous tumors, options include chemotherapy, radiation, and surgery.
http://www.medicinenet.com/script/main/art.asp?articlekey=5863
mixed tumor a tumor composed of more than one type of neoplastic tissue. muellerian müllerian mixed tumor a malignant mixed tumor of the uterus containing both endometrial adenocarcinoma and sarcomatous cells that may be either of uterine or extrauterine. origin
http://medical-dictionary.thefreedictionary.com/tumor
Tumor: An abnormal mass of tissue. Tumors are a classic sign of inflammation, and can be benign or malignant (cancerous). There are dozens of different types of tumors. Their names usually reflect the kind of tissue they arise in, and may also tell you something about their shape or how they grow. For example, a medulloblastoma is a tumor that arises from embryonic cells (a blastoma) in the inner part of the brain (the medulla).
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1. An abnormal growth of tissue resulting from uncontrolled, progressive multiplication of cells and serving no physiological function; a neoplasm. 2. A swollen part; a swelling: a plant tumor.
http://www.thefreedictionary.com/Tumors
2. neoplasm; a new growth of tissue in which cell multiplication is uncontrolled and progressive. adenomatoid odontogenic tumor a benign odontogenic tumor with ductlike or glandlike arrangements of columnar epithelial cells, usually occurring in the anterior jaw region.
http://medical-dictionary.thefreedictionary.com/tumor
definition of tumor
The definition of Tumor is an abnormal new mass of tissue that serves no purpose. Tumor is an abnormal new mass of tissue that serves no purpose.