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Dictionary

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

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  • dietitian

    An expert who is trained in the use of diet and nutrition to maintain or restore health.

  • diet

    The total food consumed by an individual. A therapeutic diet is a prescription of required or restricted foods.

  • diastolic

    Diastolic blood pressure is the pressure when your heart relaxing between beats and filling with blood.

  • diastole

    The relaxation phase of the heartbeat.

  • diarrhea

    Production of feces in increased volume and with greater fluidity than normal.

  • diaphragm

    1. The dome-shaped respiratory muscle separating the chest from the abdomen. 2. A barrier contraceptive device molded to fit over…

  • diaphoresis

    Excessive sweating.

  • dialysis

    A treatment to remove certain molecules from the blood, particularly in people with kidney failure.

  • diagnosis

    The process of identifying a disease or medical condition.

  • diagnose

    To identify a disease.

  • diabetes mellitus

    A disorder of carbohydrate metabolism resulting from insulin deficiency. Characterized by high blood sugar levels that result in weakness, frequent…

  • diabetes insipidus

    Loss of water through the kidneys as a result of decreased production of the pituitary hormone vasopressin (an antidiuretic…

  • dextrose

    A simple sugar. Glucose.

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