Notary PublicA person who serves as a public official and certifies the authenticity of required signatures on a document by signing and stamping the document.
NoticeNotice refers to two requirements. A copy of the LCA Form ETA 9035 must be given to each H-1B worker.
NovantroneA drug used to treat advanced prostate cancer that does not respond to hormones, adult acute nonlymphocytic leukemia, and advanced or chronic multiple…
novobiocinAn antibiotic drug used to treat infection.
Nplate(EN-playt) A drug used to treat patients with immune thrombocytopenic purpura (ITP) who do not get better with other forms of treatment.
NSAIDA drug that decreases fever, swelling, pain, and redness. Also called nonsteroidal anti-inflammatory drug.
NSC 655649A substance that is being studied in the treatment of cancer. It belongs to the families of drugs called antitumor antibiotics and topoisomerase…
nuclear gradeAn evaluation of the size and shape of the nucleus in tumor cells and the percentage of tumor cells that are in the process of dividing or growing.
nuclear magnetic resonance imaging(NOO-klee-er mag-NEH-tik REH-zuh-nunts IH-muh-jing) A procedure in which radio waves and a powerful magnet linked to a computer are used to create…
nuclear medicine scan(NOO-klee-er MEH-dih-sin SKAN) A method of diagnostic imaging that uses very small amounts of radioactive material.
Nucleotide(NOO-klee-oh-TIDE) A building block for nucleic acids (the molecules inside cells that carry genetic information).
Nucleus(NOO-klee-us) In biology, the structure in a cell that contains the chromosomes.
nurseA health professional trained to care for people who are ill or disabled.
Nursing HomeA place that gives care to people who have physical or mental disabilities and need help with activities of daily living (such as taking a bath, getting…
nutraceuticalA food or dietary supplement that is believed to provide health benefits.
nutrient(NOO-tree-ent) A chemical compound (such as protein, fat, carbohydrate, vitamin, or mineral) contained in foods.
nutrition(noo-TRIH-shun) The taking in and use of food and other nourishing material by the body. Nutrition is a 3-part process. First, food or drink is consumed.
nutrition therapy(noo-TRIH-shun THAYR-uh-pee) Treatment based on nutrition. It includes checking a person's nutrition status, and giving the right foods or nutrients to…
nutritional counseling(noo-TRIH-shuh-nul KOWN-suh-ling) A process by which a health professional with special training in nutrition helps people make healthy food choices and…
nutritional status(noo-TRIH-shuh-nul STA-tus) The state of a person's health in terms of the nutrients in his or her diet.
nutritional supplement(noo-TRIH-shuh-nul SUH-pleh-ment) A product that is added to the diet. A nutritional supplement is taken by mouth, and usually contains one or more…
nutritionistA health professional with special training in nutrition who can help with dietary choices. Also called dietitian.
nystatin(ny-STA-tin) The active ingredient in a drug used to treat infections caused by fungi (a type of microorganism).
O(6)-benzylguanineA drug that may improve the response of cancer cells to chemotherapy.
oat cellAnother name for small cell lung cancer. The name "oat cell" comes from the fact that the cells look like oats. See also extensive SCLC and limited SCLC.
obatoclax mesylate(oh-BAT-oh-klax MEH-zih-layt) A substance being studied in the treatment of several types of cancer.
obeseHaving an abnormally high, unhealthy amount of body fat.
Obesity(oh-BEE-sih-tee) A condition marked by an abnormally high, unhealthy amount of body fat.
objective improvementAn improvement that can be measured by the health care provider (for example, when a tumor shrinks or there are fewer cancer cells in the blood).
oblimersen(oh-blih-MER-sen) A substance being studied in the treatment of cancer. It may kill cancer cells by blocking the production of a protein that makes cancer…
Observation(OB-ser-VAY-shun) Closely monitoring a patient's condition but withholding treatment until symptoms appear or change.
observational studyA type of study in which individuals are observed or certain outcomes are measured.
obsessive-compulsive disorder(ob-SEH-siv kum-PUL-siv dis-OR-der) An anxiety disorder in which a person has intrusive ideas, thoughts, or images that occur repeatedly, and in which he…
obtundation(ob-tun-DAY-shun) A dulled or reduced level of alertness or consciousness.
occult primary tumor(uh-KULT PRY-mayr-ee TOO-mer) Cancer in which the site of the primary (original) tumor cannot be found.
occult stage non-small cell lung cancer(uh-KULT ... KAN-ser) Cancer cells are found in sputum (mucus coughed up from the lungs), but no tumor can be found in the lung by imaging or…
occupational therapistA health professional trained to help people who are ill or disabled learn to manage their daily activities.
octreotideA drug similar to the naturally occurring growth hormone inhibitor somatostatin.
octreotide scanA type of radionuclide scan used to find carcinoid and other types of tumors. Radioactive octreotide, a drug similar to somatostatin, is injected into a…
ocular melanoma(AH-kyoo-ler MEH-luh-NOH-muh) A rare cancer of melanocytes (cells that produce the pigment melanin) found in the eye. Also called intraocular melanoma.
odds ratio(⦠RAY-shee-oh) A measure of the odds of an event happening in one group compared to the odds of the same event happening in another group.
odorant(OH-deh-runt) A substance that gives off a smell.
ofatumumab(oh-FAT-oo-moo-mab) A monoclonal antibody being studied in the treatment of certain types of B-cell cancers including chronic lymphocytic leukemia (CLL)…
off-labelDescribes the legal use of a prescription drug to treat a disease or condition for which the drug has not been approved by the U.S.
Office of Healthcare Quality (OHQ)(OHQ)An office of the Department of Health and Human Services. This office works to improve healthcare.
Office of Management and Budget (OMB)(OMB)The office within the executive branch of the Federal government that prepares the President's annual budget, develops the Federal government's fiscal…
ofloxacinAn antibiotic drug used to treat infection. It belongs to the family of drugs called quinolone antibiotics.
OGFOpioid growth factor. A substance made by the body and in the laboratory. It is being studied in the treatment of cancer.
OGX-011A substance that is being studied as a treatment for cancer. It belongs to the family of drugs called antisense oligonucleotides.
ointment(OYNT-munt) A substance used on the skin to soothe or heal wounds, burns, rashes, scrapes, or other skin problems. Also called unguent.
olanzapine(oh-LAN-zuh-peen) A drug used to treat certain mental disorders. It is also being studied in the treatment of nausea and vomiting caused by some cancer…
olfactory(ol-FAK-tuh-ree) Having to do with the sense of smell.
olfactory system(ol-FAK-tuh-ree SIS-tem) The parts of the body involved in sensing smell, including the nose and many parts of the brain.
olfactory transduction(ol-FAK-tuh-ree tranz-DUK-shun) A series of events in which cells in the nose bind to scent-bearing molecules and send electrical signals to the brain…
oligoastrocytoma(AH-lih-goh-AS-troh-sy-TOH-muh) A brain tumor that forms from both oligodendrocytes and astrocytes, which are types of glial cells (cells that cover and…
Oligodendrocyte(AH-lih-goh-DEN-droh-site) A cell that forms the myelin sheath (a layer that covers and protects nerve cells) in the brain and spinal cord.
oligodendroglial tumor(AH-lih-goh-den-DROH-glee-ul TOO-mer) A rare, slow-growing tumor that begins in oligodendrocytes (cells that cover and protect nerve cells in the brain…
oligodendroglioma(AH-lih-goh-DEN-droh-glee-OH-muh) A rare, slow-growing tumor that begins in oligodendrocytes (cells that cover and protect nerve cells in the brain and…
oligofructose-enriched inulin(AH-lih-goh-FROOK-tose en-RICHT IN-yoo-lin) A substance that is used to improve the health of the digestive system and bones and is being studied in the…
omega-3 fatty acid(oh-MAY-guh-3 ...) A type of fat obtained in the diet and involved in immunity.
omentectomy(oh-men-TEK-toh-mee) Surgery to remove part or all of the omentum.
omentum(oh-MEN-tum) A fold of the peritoneum (the thin tissue that lines the abdomen) that surrounds the stomach and other organs in the abdomen.
omeprazoleA drug that inhibits gastric acid secretion.
Ommaya reservoir(o-MY-a REZ-er-vwahr) A device surgically placed under the scalp and used to deliver anticancer drugs to the fluid surrounding the brain and spinal cord.
ON 01910.NaA substance being studied in the treatment of cancer. It blocks certain proteins that are needed for cell growth and may kill cancer cells. ON 01910.
Oncaspar(ON-kah-spar) A drug used to treat acute lymphoblastic leukemia (ALL). It is a form of the drug asparaginase that is linked to a substance called PEG…
oncogeneA gene that normally directs cell growth. If altered, an oncogene can promote or allow the uncontrolled growth of cancer.
oncologist(on-KAH-loh-jist) A doctor who specializes in treating cancer. Some oncologists specialize in a particular type of cancer treatment.
oncology nurse(on-KAH-loh-jee...) A nurse who specializes in treating and caring for people who have cancer.
oncology pharmacy specialist(on-KAH-loh-jee FAR-muh-see SPEH-shuh-list) A person who works with an oncologist to prepare anticancer drugs.
oncolysate(on-KOL-ih-sate) An extract made from cancer cells.
oncolysis(on-KOL-ih-sis) The lysis (breakdown) of cancer cells. This can be caused by chemical or physical means (for example, strong detergents or high-energy…
oncolytic virotherapy(ON-koh-LIH-tik VY-roh-THAYR-uh-pee) Treatment using an oncolytic virus (a virus that infects and breaks down cancer cells but not normal cells ).
oncolytic virus(ON-koh-LIH-tik VY-rus) A type of virus that infects and lyses (breaks down) cancer cells but not normal cells.
oncolytic virus therapy(ON-koh-LIH-tik VY-rus THAYR-uh-pee) Treatment using an oncolytic virus (a virus that infects and breaks down cancer cells but not normal cells ).
OnconaseA substance being studied in the treatment of cancer. It is a type of ribonuclease enzyme. Also called ranpirnase.
Oncophage(ON-koh-fayj) A vaccine made from a patient's tumor cells that may help the body's immune system find and kill cancer cells.
Oncovin(ON-koh-vin) A drug used to treat acute leukemia. It is used in combination with other drugs to treat Hodgkin disease, non-Hodgkin lymphoma…
ondansetron(on-DAN-seh-tron) The active ingredient in a drug used to treat nausea and vomiting caused by cancer treatment.
ondansetron hydrochloride(on-DAN-seh-tron HY-droh-KLOR-ide) The active ingredient in a drug used to treat nausea and vomiting caused by cancer treatment.
onset of actionThe length of time it takes for a medicine to start to work.
OntakA substance used to treat cutaneous T-cell lymphoma when other treatments have not worked.
ONYX-015A modified cold virus that selectively grows in and destroys certain types of cancer cells and leaves normal cells undamaged.
OocystA stage in the life cyle of malaria parasites, oocysts are rounded structures located in the outer wall of the stomach of mosquitoes.
oophorectomy(oh-oh-foh-REK-toh-mee) Surgery to remove one or both ovaries.
open biopsyA procedure in which a surgical incision (cut) is made through the skin to expose and remove tissues.
open colectomy(... koh-LEK-toh-mee) An operation to remove all or part of the colon through a long incision made in the wall of the abdomen.
Open EnrollmentThe time (usually a preset two-week or one-month period annually) when you can change health plans under your employer's group plan.
Open Enrollment PeriodThe period of time during which individuals who are eligible to enroll in a Qualified Health Plan can enroll in a plan in the Marketplace.
open label studyA type of study in which both the health providers and the patients are aware of the drug or treatment being given.
operableDescribes a condition that can be treated by surgery.