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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «T»:

  1. Tumescent liposuction Tumescent liposuction
    Tumescent liposuction: The surgical suctioning of fat deposits from specific parts of the body, the most common being the abdomen (the "tummy"), buttocks ("behind"), hips, thighs and knees, chin, upper arms, back, and calves after pumping several quarts/liters of a salt water solution underneath the...
  2. Tummy Tummy
    Tummy: 1. Babytalk for the stomach. The word tummy is derived from stomach. 2. Slang for a paunch. A big tummy raises the risk of diabetes....
  3. Tumor 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 gro...
  4. Tumor debulking Tumor debulking
    Tumor debulking: Surgically removing as much of the tumor as possible....
  5. Tumor grade Tumor grade
    Tumor grade: The degree of abnormality of cancer cells, a measure of differentiation, the extent to which cancer cells are similar in appearance and function to healthy cells of the same tissue type. The degree of differentiation often relates to the clinical behavior of the particular tumor. Based ...
  6. Tumor marker Tumor marker
    Tumor marker: Tumor markers are substances that can be detected in higher-than-normal amounts in the blood, urine, or body tissues of some patients with certain types of cancer. A tumor marker may be made by a tumor itself or by the body in response to the tumor. Such a substance serves to "mark...
  7. Tumor marker, CEA Tumor marker, CEA
    Tumor marker, CEA: Carcinoembryonic antigen (CEA) is a protein found in many types of cells but associated with tumors and the developing fetus. CEA is tested in blood. The normal range is...
  8. Tumor marker, NSE Tumor marker, NSE
    Tumor marker, NSE: Neuron-specific enolase (NSE) is a substance that has been detected in patients with certain tumors, namely: neuroblastoma, small cell lung cancer, medullary thyroid cancer, carcinoid tumors, endocrine tumors of the pancreas, and melanoma. Studies of NSE as a tumor marker have co...
  9. Tumor necrosis factor Tumor necrosis factor
    Tumor necrosis factor: A member of a superfamily of proteins, each with 157 amino acids, which induce necrosis (death) of tumor cells and possess a wide range of proinflammatory actions. Tumor necrosis factor is a multifunctional cytokine with effects on lipid metabolism, coagulation, insulin resis...
  10. Tumor registry Tumor registry
    Tumor registry: Recorded information about the status of patients with tumors. Although a registry was originally the place (like Registry House in Edinburgh) where information was collected (in registers), the word "registry" has also come to mean the collection itself. A tumor registry is usuall...
  11. Tumor suppressor gene Tumor suppressor gene
    Tumor suppressor gene: A protective gene that normally limits the growth of tumors. When a tumor suppressor gene is mutated (altered), it may fail to keep a cancer from growing. BRCA1, an example of tumor suppressor genes, was the first breast cancer gene to be identified; mutated forms of this gen...
  12. Tumor, carcinoid Tumor, carcinoid
    Tumor, carcinoid: A tumor which secretes large amounts of the hormone serotonin. Another name for carcinoid tumor is argentaffinoma. The tumor usually arises in the gastrointestinal tract, anywhere between the stomach and the rectum (the favorite spot is in the appendix) and from there may metastas...
  13. Tumor, desmoid Tumor, desmoid
    Tumor, desmoid: See: Desmoid tumor....
  14. Tumor, ear Tumor, ear
    Tumor, ear: Benign (noncancerous) bumps on the pinna of the ear (the external ear) or within the external ear canal. Most of these lumps and bumps are just harmless sebaceous cysts. However, some of the bumps are bony overgrowths (known as exostoses or osteomas). If they are large and interfere ...
  15. Tumor, islet cell Tumor, islet cell
    Tumor, islet cell: See: Islet cell cancer....