Medicine terms starting with I

324 terms

I.V. Into or within a vein. I.V. usually refers to a way of giving a drug or other substance through a needle or tube inserted into a vein.
Iatrogenic Pneumothorax (healthcare-associated collapsed lung). This measure is used to assess the number of cases of iatrogenic pneumothorax (healthcare- associated collapsed…
ibandronate A drug that is used to prevent and treat osteoporosis, and is being studied in the treatment of cancer that has spread to the bones.
IBMFS Inherited bone marrow failure syndrome. A rare disorder in which a person's bone marrow is unable to make enough blood cells and there is a family history…
ibritumomab tiuxetan (ih-brih-TOO-moh-mab ty-oo-EKS-eh-tan) A monoclonal antibody that is used to treat certain types of B-cell non-Hodgkin lymphoma and is being studied in…
ibuprofen (I-byoo-PROH-fen) A drug used to treat fever, swelling, pain, and redness by preventing the body from making a substance that causes inflammation.
ICCC Classification At the time the World Health Organization's (WHO) International Agency for Research on Cancer (IARC) published their first monograph on Childhood Cancer…
ICD A small device used to correct a heartbeat that is abnormal (too fast, too slow, or irregular). The device is placed by surgery in the chest or abdomen.
ICI 182780 A drug used to treat certain types of breast cancer in postmenopausal women. It is also being studied in the treatment of other types of cancer.
ICI D1694 An anticancer drug that stops tumor cells from growing by blocking the ability of cells to make DNA.
Icterus See jaundice.
idarubicin (I-duh-ROO-bih-sin) An anticancer drug that is a type of antitumor antibiotic. Also called 4-demethoxydaunorubicin.
IDEC-Y2B8 A radiolabeled monoclonal antibody that is used to treat certain types of B-cell non-Hodgkin lymphoma and is being studied in the treatment of other types…
idiopathic Describes a disease of unknown cause.
idiopathic myelofibrosis (IH-dee-oh-PA-thik MY-eh-loh-fy-BROH-sis) A progressive, chronic disease in which the bone marrow is replaced by fibrous tissue and blood is made in…
idiopathic pneumonia syndrome (IH-dee-oh-PA-thik noo-MOH-nyuh SIN-drome) A set of pneumonia-like symptoms (such as fever, chills, coughing, and breathing problems) that occur with no…
idiopathic thrombocytopenic purpura (IH-dee-oh-PA-thik 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…
idoxifene A drug that blocks the effects of estrogen.
idoxuridine A drug that reduces the risk of cancer cell growth by interfering with the cells' DNA.
iFOBT A 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.
ifosfamide An anticancer drug that belongs to the family of drugs called alkylating agents.
IgG-RFT5-dgA A 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 extract A substance being studied for its ability to prevent damage to normal tissue caused by radiation therapy. It is a type of antioxidant.
IL One of a group of related proteins made by leukocytes (white blood cells) and other cells in the body. ILs regulate immune responses.
IL-1 One of a group of related proteins made by leukocytes (white blood cells) and other cells in the body.
IL-1-alfa One of a group of related proteins made by leukocytes (white blood cells) and other cells in the body.
IL-1-alpha One of a group of related proteins made by leukocytes (white blood cells) and other cells in the body.
IL-1-beta One of a group of related proteins made by leukocytes (white blood cells) and other cells in the body.
IL-11 One 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-12 One of a group of related proteins made by leukocytes (white blood cells) and other cells in the body.
IL-1B One of a group of related proteins made by leukocytes (white blood cells) and other cells in the body.
IL-2 One 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-3 One 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-4 One 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-6 One 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-7 One 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.
ileus (IH-lee-us) Blockage of the intestines
iloprost A substance that is being studied in the prevention of lung cancer. It belongs to the family of drugs called prostaglandin analogs.
ILX-295501 A substance that is being studied as an anticancer drug. It belongs to the family of drugs called diarylsulfonylureas.
ILX23-7553 A substance that is being studied as an anticancer drug.
IM Within or into muscle. Also called intramuscular.
IM-862 An 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 procedure A 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…
imipenem An 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-106 A 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.
immunization A technique used to cause an immune response that results in resistance to a specific disease, especially an infectious disease.
immunoassay A test that uses the binding of antibodies to antigens to identify and measure certain substances. Immunoassays may be used to diagnose disease.
immunoassay fecal occult blood test (IH-myoo-noh-A-say FEE-kul uh-KULT ...) iFOBT. A test to check for blood in the stool.
immunochemical fecal occult blood test (IH-myoo-noh-KEH-mih-kul FEE-kul uh-KULT...) iFOBT. A test to check for blood in the stool.
immunocompetence The ability to produce a normal immune response.
immunocompetent Having the ability to produce a normal immune response.
immunocompromised Having 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…
immunologic fecal occult blood test (IH-myoo-noh-LAH-jik FEE-kul uh-KULT...) iFOBT. A test to check for blood in the stool.
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.
immunomodulation Change 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.
immunoscintigraphy An imaging procedure in which antibodies labeled with radioactive substances are given to the person.
immunostimulant A 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…
Impaired Glucose Tolerance (IGT) A condition, not considered a form of diabetes, diagnosed when oral glucose tolerance test results show that a person's blood glucose level falls…
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.
implant A 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 pump A small device installed under the skin to administer a steady dose of drugs.
Imported malaria Malaria acquired outside a specific geographic area.
impotence In 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.
IMRT A 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.