General Medical Terms

Common language used in healthcare, medical records, and conversations about health. Browse definitions and meanings below.

1,764 terms

Terms in this topic

Alphabetical order
  • A monoclonal antibody that is being studied in the treatment of adult T-cell leukemia and in the treatment of cytopenia (low blood cell count).

  • An isoflavone found in soy products.

  • An abbreviation for a chemotherapy combination used with radiation therapy to treat low-risk childhood Hodgkin lymphoma.

  • An abbreviation for a chemotherapy combination used with radiation therapy to treat low-risk childhood Hodgkin lymphoma.

  • DCIS is a noninvasive breast condition in which abnormal cells remain confined within a milk duct without spreading into surrounding tissue.

  • Borrowed from Latin, the phrase de novo marks something arising fresh and new rather than developing from a prior state.

  • Tingling, numbness, heaviness, and other feelings that occur after an acupuncture needle has been properly placed in the body.

  • A type of poisonous mushroom that has harmful effects on the kidneys and liver.

  • Surgical removal of as much of a tumor as possible.

  • deceased

    / dih-SEEST /

    Deceased means dead; as a noun, it refers to a person who has died.

  • A substance that blocks the process cells use to repair DNA.

  • In thoracic surgery, decortication strips a thickened fibrous membrane from the lung's surface so the lung can re-expand fully.

  • Movement of feces (undigested food, bacteria, mucus, and cells from the lining of the intestines) through the bowel and out the anus.

  • Deficiency describes an insufficient amount of a substance the body needs, such as a vitamin, mineral, or hormone, to function normally.

  • Delirium is a sudden, fluctuating disturbance of attention and awareness that develops over hours to days, distinct from the gradual decline of dementia.

  • In religion, describes a group whose members are organized under a common name and set of rules and have common beliefs and practices.

  • A substance that is made naturally by some bacteria, fungi, and other organisms, and can also be made in the laboratory.

  • A derivative is a substance produced by chemically modifying another compound, typically retaining some structural or functional relationship to its source.

  • The dermis is the thicker, deeper layer of skin beneath the epidermis, containing blood vessels, nerves, glands, and hair follicles.

  • A type of benign (not cancer) germ cell tumor (type of tumor that begins in the cells that give rise to sperm or eggs) that often contains several different types of tissue such as hair, muscle, and…

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.