Advertisement

Dictionary of Medical Terms

Gain a better understanding of medical terminology by searching our dictionary of more than 1,300 terms.

Advertisement

Filter By Alphabet
All terms
  • menstruation

    The periodic discharge of blood and tissues from the uterus. This usually occurs about every four weeks in a woman…

  • metabolism

    The chemical and physical processes involved in building up, storing and using materials required for life.

  • metacarpal

    Any of the five bones that make up the hand and join the wrist to the fingers.

  • metaphysis

    The wider portion at the end of a long bone where growth occurs in infants and children.

  • metastasis

    The spread of a disease from its primary site in the body to another location in the body. Usually refers…

  • metatarsal

    Any of the five bones of the foot directly jointed to each of the toes.

  • metra

    Uterus.

  • metritis

    Inflammation of the uterus.

  • metrorrhagia

    Uterine bleeding, usually of normal amount occurring at irregular intervals.

  • microbe

    A microorganism, such as bacterium.

  • microbiology

    The study of living microbes, including bacteria, protozoa and molds.

  • microencephaly

    Having an abnormally small brain.

  • microorganism

    A microscopic plant or animal.

  • midwife

    A person who helps women at childbirth, but who isn’t a nurse or physician.

  • migraine

    A group of symptoms that includes a severe headache, usually on one side of the head, and often accompanied by…

  • milia

    Pinhead-sized whitish skin lesions found on the face or trunk of some newborn infants.

  • miliaria

    Prickly heat or “heat rash” as a result of inflammation of the sweat glands and characterized by small, white or…

  • miscarriage

    Natural loss of a fetus from the womb before it is sufficiently developed to survive. Also called spontaneous abortion.

  • mitral valve

    The valve of the heart between the left atrium and left ventricle that prevents the flow of blood back into…

  • mittelschmerz

    Pelvic pain between periods, corresponding to the release of an ovum (egg) by an ovary.

  • mole

    1. A fleshy, pigmented skin blemish. 2. A mass of uterine tissue formed by a failure of the normal fertilization…

Advertisement