iFOBTA test to check for blood in the stool. A brush is used to collect water drops from around the surface of a stool while it is still in the toilet bowl.
ifosfamideAn anticancer drug that belongs to the family of drugs called alkylating agents.
IgG-RFT5-dgAA monoclonal antibody linked to a toxic substance. It is being studied in the treatment of melanoma that has spread to distant parts of the body.
IH636 grape seed extractA substance being studied for its ability to prevent damage to normal tissue caused by radiation therapy. It is a type of antioxidant.
ILOne of a group of related proteins made by leukocytes (white blood cells) and other cells in the body. ILs regulate immune responses.
IL-1One of a group of related proteins made by leukocytes (white blood cells) and other cells in the body.
IL-1-alfaOne of a group of related proteins made by leukocytes (white blood cells) and other cells in the body.
IL-1-alphaOne of a group of related proteins made by leukocytes (white blood cells) and other cells in the body.
IL-1-betaOne of a group of related proteins made by leukocytes (white blood cells) and other cells in the body.
IL-11One of a group of related proteins made by leukocytes (white blood cells) and other cells in the body. IL-11 is made by support cells in the bone marrow.
IL-12One of a group of related proteins made by leukocytes (white blood cells) and other cells in the body.
IL-1BOne of a group of related proteins made by leukocytes (white blood cells) and other cells in the body.
IL-2One of a group of related proteins made by leukocytes (white blood cells) and other cells in the body. IL-2 is made by a type of T lymphocyte.
IL-3One of a group of related proteins made by leukocytes (white blood cells) and other cells in the body. IL-3 is made mainly by a type of T lymphocyte.
IL-4One of a group of related proteins made by leukocytes (white blood cells) and other cells in the body. IL-4 is made by a type of T lymphocyte.
IL-6One of a group of related proteins made by leukocytes (white blood cells) and other cells in the body. IL-6 is made mainly by some T lymphocyte.
IL-7One of a group of related proteins made by leukocytes (white blood cells) and other cells in the body.
ileostomy(IL-ee-OS-toh-mee) An opening into the ileum, part of the small intestine, from the outside of the body.
iloprostA substance that is being studied in the prevention of lung cancer. It belongs to the family of drugs called prostaglandin analogs.
ILX-295501A substance that is being studied as an anticancer drug. It belongs to the family of drugs called diarylsulfonylureas.
ILX23-7553A substance that is being studied as an anticancer drug.
IMWithin or into muscle. Also called intramuscular.
IM-862An anticancer drug that belongs to the family of drugs called angiogenesis inhibitors.
Image cytometry(si tom" eh tree') uses computers to analyze digital images of the cells on a microscope slide.
imagery(IH-mij-ree) A technique in which the person focuses on positive images in his or her mind.
imaging(IH-muh-jing) In medicine, a process that makes pictures of areas inside the body.
imaging procedureA method of producing pictures of areas inside the body.
imatinib mesylate(ih-MAH-tih-nib MEH-zih-layt) A drug used to treat different types of leukemia and other cancers of the blood, gastrointestinal stromal tumors, skin…
imexon(i-MEX-on) A substance that is being studied in the treatment of some types of cancer, including pancreatic, lung, breast, prostate, melanoma, and…
imipenemAn antibiotic drug used to treat severe or very resistant infection. It belongs to the family of drugs called carbapenems.
imiquimod(ih-MIH-kwee-mod) A drug used to treat early basal cell skin cancer and certain other skin conditions.
immature teratoma(IH-muh-CHOOR TAYR-uh-TOH-muh) A rare type of malignant (cancer) germ cell tumor (type of tumor that begins in the cells that give rise to sperm or eggs)…
IMMU-106A monoclonal antibody that is being studied in the treatment of refractory B-cell non-Hodgkin lymphoma.
Immune(im-myoon') System is the complex group of organs and cells that defends the body against infections and other diseases.
immune adjuvant(ih-MYOON A-juh-vunt) A drug that stimulates the immune system to respond to disease.
immune complex hemolytic anemia(ih-MYOON KOM-plex HEE-moh-LIH-tik uh-NEE-mee-uh) A condition in which the body's immune system stops red blood cells from forming or causes them to clump…
immune function(ih-MYOON FUNK-shun) Production and action of cells that fight disease or infection.
immune response(ih-MYOON reh-SPONTS) The activity of the immune system against foreign substances (antigens).
immune system(ih-MYOON SIS-tem) The complex group of organs and cells that defends the body against infections and other diseases.
immune system tolerance(ih-MYOON SIS-tem TAH-leh-runts) The failure of the immune system to respond to an antigen that previously caused an immune response.
immune thrombocytopenic purpura(ih-MYOON THROM-boh-sy-toh-PEE-nik PUR-pyuh-ruh) A condition in which platelets (blood cells that cause blood clots to form) are destroyed by the immune…
Immunity(ih-MYOO-nih-tee) The condition of being protected against an infectious disease.
immunizationA technique used to cause an immune response that results in resistance to a specific disease, especially an infectious disease.
immunoassayA test that uses the binding of antibodies to antigens to identify and measure certain substances. Immunoassays may be used to diagnose disease.
immunocompetenceThe ability to produce a normal immune response.
immunocompetentHaving the ability to produce a normal immune response.
immunocompromisedHaving a weakened immune system caused by certain diseases or treatments.
immunodeficiency(IH-myoo-noh-dih-FIH-shun-see) The decreased ability of the body to fight infections and other diseases.
immunodeficiency syndrome(IH-myoo-noh-dih-FIH-shun-see SIN-drome) The inability of the body to produce an immune response.
immunoglobulin(IH-myoo-noh-GLOB-yoo-lin) A type of protein that acts as an antibody.
immunohemolytic anemia(IH-myoo-noh-HEE-moh-LIH-tik uh-NEE-mee-uh) A condition in which the body's immune system stops red blood cells from forming or causes them to clump…
immunological adjuvant(IH-myoo-noh-LAH-jih-kul A-juh-vunt) A substance used to help boost the immune response to a vaccine so that less vaccine is needed.
immunology(IH-myoo-NAH-loh-jee) The study of the body's immune system.
immunomodulationChange in the body's immune system, caused by agents that activate or suppress its function.
Immunophenotyping(IM-yoo-no-FEE-no-tie-ping) A process used to identify cells, based on the types of antigens or markers on the surface of the cell.
immunoscintigraphyAn imaging procedure in which antibodies labeled with radioactive substances are given to the person.
immunostimulantA substance that increases the ability of the immune system to fight infection and disease.
immunosuppression(IH-myoo-noh-suh-PREH-shun) Suppression of the body's immune system and its ability to fight infections and other diseases.
immunosuppressive(IH-myoo-noh-suh-PREH-siv) Describes the ability to decrease the body's immune system responses.
immunosuppressive therapy(IH-myoo-noh-suh-PREH-siv THAYR-uh-pee) Therapy used to decrease the body's immune responses, such as drugs given to prevent transplant rejection.
immunotherapy(IH-myoo-noh-THAYR-uh-pee) Treatment to boost or restore the ability of the immune system to fight cancer, infections, and other diseases.
immunotoxin(IH-myoo-noh-TOK-sin) An antibody linked to a toxic substance. Some immunotoxins can bind to cancer cells and kill them.
Imodium(ih-MOH-dee-um) A drug used to treat diarrhea. Imodium slows the movement of the muscles in the small intestine to allow more water to be taken out of the…
impairment(im-PAYR-ment) A loss of part or all of a physical or mental ability, such as the ability to see, walk, or learn.
implantA substance or object that is put in the body as a prosthesis, or for treatment or diagnosis.
Implant radiation(ray dee AY' shun) is a procedure in which radioactive material sealed in needles, seeds, wires, or catheters is placed directly into or near a tumor.
implant radiation therapy(... RAY-dee-AY-shun THAYR-uh-pee) A type of radiation therapy in which radioactive material sealed in needles, seeds, wires, or catheters is placed…
implantable cardioverter-defibrillator(im-PLAN-tuh-bul KAR-dee-oh-VER-ter-dee-FIH-brih-LAY-ter) A small device used to correct a heartbeat that is abnormal (too fast, too slow, or irregular).
implantable pumpA small device installed under the skin to administer a steady dose of drugs.
impotenceIn medicine, refers to the inability to have an erection of the penis adequate for sexual intercourse. Also called erectile dysfunction.
impotent(IM-po-tent) In medicine, describes the inability to have an erection of the penis adequate for sexual intercourse.
IMRTA type of 3-dimensional radiation therapy that uses computer-generated images to show the size and shape of the tumor.
In 111 ibritumomab tiuxetan(... ih-brih-TOO-moh-mab ty-oo-EKS-eh-tan) A radiolabeled monoclonal antibody that is used to detect certain types of B-cell non-Hodgkin lymphoma and is…
In 111 Zevalin(... ZEV-uh-lin) A radiolabeled monoclonal antibody that is used to detect certain types of B-cell non-Hodgkin lymphoma and is being studied in the…
In situ(in si'too) the natural or normal place; confined to the site of origin without invasion or spread to neighboring tissues.
In vitro(in VEE-troh) In the laboratory (outside the body). The opposite of in vivo (in the body).
In vitro fertilization(in VEE-troh FER-tih-lih-ZAY-shun) A procedure in which eggs are removed from a woman's ovary and combined with sperm outside the body to form embryos.
In vivoIn the body. The opposite of in vitro (outside the body or in the laboratory).
inalimarev(IN-uh-LIM-uh-rev) A cancer vaccine made with a form of vaccinia virus that does not cause disease in humans.
IncidenceThe number of new cases of a disease diagnosed each year.
Incidence RateThe ratio of the number of new cancers of a specific site/type occurring in a specified population during a year to the number of individuals who were at…
Incidence, Delay-AdjustedA term related to incidence. An algorithm is used to estimate the incidence if it were unaffected by reporting delays.
Incision(in-SIH-zhun) A cut made in the body to perform surgery.
incisional biopsy(in-SIH-zhun-al BY-op-see) A surgical procedure in which a portion of a lump or suspicious area is removed for diagnosis.
incomplete Freund's adjuvant(in-kum-PLEET froyndz A-juh-vunt) A drug used in vaccine therapy to stimulate the immune system.
incontinence(in-KAHN-tih-nens) Inability to control the flow of urine from the bladder (urinary incontinence) or the escape of stool from the rectum (fecal…
incubatedGrown in the laboratory under controlled conditions. For example, white blood cells can be grown in special conditions so that they attack specific cancer…
Indian cress(IN-dee-un kres) Parts of the flowering plant have been used in some cultures to treat certain medical problems. It may have anticancer effects.
Indian elmThe inner bark of this plant has been used in some cultures to treat certain medical problems. It may have antioxidant effects.
Indian rhubarb(IN-dee-un ROO-barb) The root of this plant has been used in some cultures to treat certain medical problems.
Indian saffron(IN-dee-un SA-fron) An East Indian plant that is a member of the ginger family and is used as a spice and food color.
Indian valerianA plant whose roots are used as a sedative and to treat certain medical conditions.
IndicationIn medicine, a sign, symptom, or medical condition that leads to the recommendation of a treatment, test, or procedure.
indinavirA drug that interferes with the ability of a virus to make copies of itself.
indirect ophthalmoscopy(⦠OP-thal-MOS-koh-pee) An exam of the inside of the back of the eye using a beam of light and a hand-held lens.