Lymphoma Glossary of Terms

The following are health and medical definitions of terms that appear in the Lymphoma article.

Abdomen: The belly, that part of the body that contains all of the structures between the...

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Abdominal: Relating to the abdomen, the belly, that part of the body that contains all of ...

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Abdominal pain: Pain in the belly. Abdominal pain can be acute or chronic. It may reflect ...

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Abnormal: Outside the expected norm, or uncharacteristic of a particular patient.

Acupuncture: The practice of inserting needles into the body to reduce pain or induce anes...

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Albumin: The main protein in human blood and the key to regulating the osmotic pressure of...

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Allogeneic: Taken from different individuals of the same species. Two or more individuals ...

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Anemia: The condition of having a lower-than-normal number of red blood cells or quantity ...

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Anesthetic: A substance that causes lack of feeling or awareness, dulling pain to permit s...

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Anterior: The front, as opposed to the posterior. The anterior surface of the heart is tow...

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Antibody: An immunoglobulin, a specialized immune protein, produced because of the introdu...

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Antigen: A substance that the immune system perceives as being foreign or dangerous. The b...

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Ataxia: Poor coordination and unsteadiness due to the brain's failure to regulate the body...

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Autoimmune: Pertaining to autoimmunity, a misdirected immune response that occurs when the...

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Autoimmune disease: An illness that occurs when the body tissues are attacked by its own i...

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Autologous: In blood transfusion and transplantation, a situation in which the donor and r...

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Bacteria: Single-celled microorganisms that can exist either as independent (free-living) ...

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Bacterium: The singular of bacteria.

Benzene: A sweet smelling, highly toxic hydrocarbon. Long-term exposure to benzene is know...

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Biological therapy: Treatment to stimulate or restore the ability of the immune (defense)...

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Biopsy: The removal of a sample of tissue for examination under a microscope to check for ...

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Bone marrow: The soft blood-forming tissue that fills the cavities of bones and contains f...

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Bone marrow biopsy: The removal of a sample of bone marrow and a small amount of bone thro...

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Bone marrow transplantation: See: Bone marrow transplant.

Brain: The portion of the central nervous system that is located within the skull. It func...

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Cancer: An abnormal growth of cells which tend to proliferate in an uncontrolled way and, ...

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Cell: The basic structural and functional unit of any living thing. Each cell is a small c...

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Cell therapy: Treatment with cells. A technology that relies on replacing diseased or dysf...

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Cerebrospinal fluid: A watery fluid that is continuously produced and absorbed and that fl...

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Chemotherapy: 1. In the original sense, a chemical that binds to and specifically k...

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Chest: The area of the body located between the neck and the abdomen. The chest contains t...

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Chills: feelings of coldness accompanied by shivering. Chills may develop after exposure t...

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Clinical trial: A study that is intended to evaluate the safety and effectiveness of medic...

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Clinical trials: Trials to evaluate the effectiveness and safety of medications or medical...

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Coenzyme: A substance that enhances the action of an enzyme. (An enzyme is a protein that ...

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Coenzyme Q10: A compound needed for the proper functioning of an enzyme, a protein that sp...

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CT scan: Computed tomography scan. Detailed images of internal organs are obtained by this...

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Curable: Amenable to a cure, capable of being cured, to being healed and made well. From ...

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Cure: 1. To heal, to make well, to restore to good health. 2. A time withou...

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Diagnosis: 1 The nature of a disease; the identification of an illness. 2 A ...

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Diarrhea: A common condition that involves unusually frequent and liquid bowel movements. ...

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Donor: The giver of a tissue or an organ, such as a blood donor or kidney donor.

EBV: Epstein-Barr virus.

Enzymes: Proteins that act as a catalysts in mediating and speeding a specific chemical re...

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Epstein-Barr virus: A virus in the herpes family that is best known as the cause of infect...

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Extremity: An uttermost part of the body, such as a hand or a foot.

Family history: The family structure and relationships within the family, including inform...

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Fatigue: A condition characterized by a lessened capacity for work and reduced efficiency ...

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Flu: Flu is a colloquialism for influenza. The flu is an acute respiratory illness caused ...

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Gallium: A rare metal with the atomic weight 69. There are several isotopic forms of galli...

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Genetic: Having to do with genes and genetic
information.

Genetics: The scientific study of heredity. Genetics pertains to humans and all other orga...

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Gland: A group of cells that secrete a substance for use in the body. For example, the thy...

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Groin: The area where the thigh meets the hip.

Hair loss: Hair loss is the thinning of hair on the scalp. The medical term for hair loss ...

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Heart: The muscle that pumps blood received from veins into arteries throughout the body. ...

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Helicobacter pylori: A bacterium that causes stomach inflammation (gastritis) and ulcers i...

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Hematologist: A physician who specializes in diagnosing and treating diseases of the blood...

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Hematology: The diagnosis, treatment, and prevention of diseases of the blood and bone mar...

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Hemoglobin: The oxygen-carrying pigment and predominant protein in the red blood cells. He...

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Hepatitis: Inflammation of the liver, irrespective of the cause. Hepatitis is caused by a ...

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Hepatitis C: Inflammation of the liver due to the hepatitis C virus (HCV), which is usuall...

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HIV: Acronym for the Human Immunodeficiency Virus, the cause of AIDS (acquired immunodefi...

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Humoral: Pertaining to elements in the blood or other body fluids.

Immune: Protected against infection, usually by the presence of antibodies.

Immune system: A complex system that is responsible for distinguishing a person from every...

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Immunity: The condition of being immune. Immunity can be innate'for example, humans are in...

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Immunodeficiency: The inability to form a normal immune response. Immunodeficiency can be ...

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Immunotherapy: Treatment to stimulate or restore the ability of the immune (defense) syst...

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Incidence: The frequency with which something, such as a disease or trait, appears in a pa...

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Incision: A cut through skin or other tissue performed by a health care professional.

Indicate: In medicine, to make a treatment or procedure advisable because of a particular ...

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Induction therapy: The first in a series of therapeutic measures taken to treat a disease,...

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Infection: The invasion and multiplication of microorganisms such as bacteria, viruses, an...

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Interleukins: Substances used in biological therapy. Interleukins stimulate the growth and...

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Internal medicine: The medical specialty dedicated to the diagnosis and medical treatment ...

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Irradiation: The use of high-energy radiation from x-rays, gamma rays, neutrons, and other...

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Itching: An uncomfortable sensation in the skin that feels as if something is crawling on ...

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Laboratory: A place for doing tests and research procedures, and for preparing chemicals a...

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Lactate dehydrogenase: (LDH) An enzyme that catalyzes the conversion of lactate to pyruvat...

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Laparoscope: An instrument through which structures within the abdomen and pelvis can be s...

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Laparoscopy: A type of surgery in which small incisions are made in the abdominal wall thr...

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LDH: Lactate dehydrogenase.

Leg: In popular usage, the part of the body from the top of the thigh down to the foot, an...

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Liver: The largest solid organ in the body, situated in the upper part of the abdomen on t...

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Local therapy: In the context of cancer, treatment that affects cells in the tumor and the...

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Lumbar: Referring to the five lumbar vertebrae, the disks below them, and the correspondin...

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Lumbar puncture: A procedure in which cerebrospinal fluid is removed from the spinal canal...

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Lungs: The lungs are a pair of breathing organs located with the chest which remove carbon...

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Lymph: The almost colorless fluid that travels through the lymphatic system, carrying cell...

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Lymph node: One of many small, bean-shaped organs located throughout the lymphatic system....

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Lymphadenopathy: Abnormally enlarged lymph nodes. Commonly called swollen glands.

Lymphangiogram: An X-ray of the lymphatic system for which a dye is injected to outline th...

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Lymphatic: Pertaining to a small, thin channel that is similar to a blood vessel and that ...

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Lymphatic system: The tissues and organs, including the bone marrow, spleen, thymus, and l...

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Lymphatic tissue: A part of the body's immune system that helps protect it from bacteria a...

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Lymphocytes: A small white blood cell (leukocyte) that plays a large role in defending the...

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Lymphoma: A tumor of the lymphoid tissue. The major types of lymphoma are Hodgkin's diseas...

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Maintenance therapy: Treatment designed to help the original primary treatment to succeed....

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Malignant: 1. Tending to be severe and become progressively worse, as in malignant ...

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Marrow: The bone marrow.

Metabolic: Relating to metabolism, the whole range of biochemical processes that occur wit...

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Metabolism: The whole range of biochemical processes that occur within a living organism. ...

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Microscope: An optical instrument that augments the power of the eye to see small objects....

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Microscopic: An object so small it cannot be seen without the aid of microscope (for examp...

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Monoclonal: Derived from a single cell and cells identical to that cell.

Monoclonal antibody: An antibody produced by a single clone of cells. A monoclonal antibod...

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Mononucleosis: Infection with the Epstein-Barr virus (EBV, human herpesvirus 4, HHV-4) in...

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Mouth: 1. The upper opening of the digestive tract, beginning with the lips and con...

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MRI: Magnetic resonance imaging.

Muscle: Muscle is the tissue of the body which primarily functions as a source of power. T...

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Natural immunity: Immunity that is naturally existing, Natural immunity does not require p...

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Nausea: Stomach queasiness, the urge to vomit. Nausea can be brought on by many causes, in...

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Neck: The part of the body joining the head to the shoulders. Also, any narrow or constric...

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Nerve: A bundle of fibers that uses electrical and chemical signals to transmit sensory an...

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Night sweats: Severe hot flashes that occur at night and result in a drenching sweat. Nigh...

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Node: Literally a knot, a node is a collection of tissue. For example a lymph node, is a ...

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Nurse: 1) A person trained, licensed, or skilled in nursing. 2) To feed an infant at the ...

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Oncologist: A physician who specializes in the diagnosis and treatment of cancer. After a ...

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Oncology: The field of medicine that is devoted to cancer. Clinical oncology consists of t...

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Organ: A relatively independent part of the body that carries out one or more special func...

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Oxygen: The odorless gas that is present in the air and necessary to maintain life. Oxygen...

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PA-C: Physician Assistant - Certified.

Pain: An unpleasant sensation that can range from mild, localized discomfort to agony. Pa...

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Palpable: Something that can be felt. For example, a palpable growth is one that can be de...

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Pathogen: An agent of disease. For example, Bacillus anthracis is the pathogen that causes...

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Pathologist: A physician who identifies diseases and conditions by studying abnormal cells...

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Pediatrics: The field of medicine that is concerned with the health of infants, children, ...

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Pelvis: The lower part of the abdomen, located between the hip bones. Structures in the fe...

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PET scan: The popular name (and abbreviation) of Positron Emission To...

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Pharmacist: A professional who fills prescriptions and, in the case of a compounding pharm...

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Pharmacy: A location where prescription medications are sold. A pharmacy is constantly sup...

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Platelet: An irregular, disc-shaped element in the blood that assists in blood clotting....

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Platelet count: The calculated number of platelets in a volume of blood, usually expressed...

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Polio: Abbreviation for poliomyelitis, an acute and sometimes devastating disease caused ...

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Precancerous: Pertaining to something that is not yet overtly cancerous, but appears to be...

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Prognosis: The forecast of the probable outcome or course of a disease; the patient's chan...

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Prognostic: Pertaining to the prognosis, the outlook for the patient.

Proteins: Large molecules composed of one or more chains of amino acids in a specific orde...

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Pulmonary: Having to do with the lungs.

Radiation: 1. Rays of energy. Gamma rays and X-rays are two of the types of energy ...

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Radiation oncologist: A physician whose specialty is the use of radiation therapy as a tre...

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Radiation therapy: The use of high-energy rays to damage cancer cells, stopping them from ...

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Radioactive: Emitting energy waves due to decaying atomic nuclei. Radioactive substances a...

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Recurrence: The return of a sign, symptom, or disease after a remission. The reappearance ...

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Recurrent: Appearing or occurring again. For example, a recurrent fever is a fever that ha...

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Red blood cell: The blood cell that carries oxygen. Red cells contain hemoglobin and it is...

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Referral: The recommendation of a medical or paramedical professional. If you get a refer...

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Refractory: Not yielding, or not yielding readily, to treatment.

Remission: Disappearance of the signs and symptoms of cancer or other disease. A remission...

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Risk factor: Something that increases a person's chances of developing a disease. For exam...

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Safe sex: Sexual practices that do not involve the exchange of bodily fluids, including bl...

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Salvage therapy: A final treatment for people who are not responsive to or cannot tolerate...

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Samaritan: See Good Samaritan.

Scan: As a noun, the data or image obtained from the examination of organs or regions of...

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Spinal cord: The major column of nerve tissue that is connected to the brain and lies with...

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Spinal tap: Also known as a lumbar puncture or "LP", a spinal tap is a procedure whereby ...

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Spleen: An organ that is located in the upper-left part of the abdomen, not far from the s...

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Stage: As regards cancer, the extent of a cancer, especially whether the disease has spre...

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Staging: stagingDoing exams and tests to learn the extent of a cancer, especially whether ...

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Stem cell: One of the human body's master cells, with the ability to grow into any one of ...

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Stem cell transplantation: The use of stem cells as a treatment for cancer or other illnes...

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Stem cells: One of the human body's master cells, with the ability to grow into any one of...

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Stomach: The digestive organ that is located in the upper abdomen, under the ribs. The upp...

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Substance: 1. Material with particular features.
2. The material that...

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Surgeon: A physician who treats disease, injury, or deformity via operative or manual meth...

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Systemic: Affecting the entire body. A systemic disease such as diabetes can affect the wh...

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Systemic therapy: Treatment that reaches cells throughout the body by traveling through th...

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Therapeutic: Relating to therapeutics, the branch of medicine that is concerned specifical...

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Therapy: The treatment of disease. Therapy is synonymous with treatment.

Thymus: An organ that is located in the upper chest behind the breastbone and in front of ...

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Thymus gland: See: Thymus.

Tonsils: Small masses of lymphoid tissue at the back and on both sides of the throat.

Transfusion: The transfer of blood or blood products from one person (the donor) into the ...

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Transplant: The grafting of a tissue from one place to another, just as in botany a bu...

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Tumor: An abnormal mass of tissue. Tumors are a classic sign of inflammation, and can be ...

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Vaccines: Microbial preparations of killed or modified microorganisms that can stimulate a...

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Vein: A blood vessel that carries blood that is low in oxygen content from the body back t...

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Vessel: A tube in the body that carries fluids. Examples of vessels are blood vessels and ...

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Viral: Of or pertaining to a virus. For example, if a person has a viral rash, the rash wa...

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Viral infection: Infection caused by the presence of a virus in the body. Depending on th...

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Virus: A microorganism that is smaller than a bacterium that cannot grow or reproduce apar...

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Viruses: Small living particles that can infect cells and change how the cells function. I...

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Watchful waiting: Closely monitoring a patient's condition but withholding therapy until t...

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WBC: White blood cell.

Weight loss: Weight loss is a decrease in body weight resulting from either voluntary (die...

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White blood cell: One of the cells the body makes to help fight infections. There are seve...

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White blood cell count (leukocyte count): The number of white blood cells (WBCs) in the b...

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X-ray: High-energy radiation with waves shorter than those of visible light. X-ray is used...

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Medical Dictionary