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Dictionary of Medical Terms

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

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  • estrogen

    Female sex hormone.

  • epidermis

    The outermost layer of skin.

  • enuresis

    Bedwetting.

  • enteritis

    An inflammation of the intestines that usually causes cramps and diarrhea.

  • enema

    1. Introduction of fluid into the rectum to bring about a bowel movement. 2. The solution introduced into the rectum…

  • endometriosis

    A condition in which cells from the lining of the uterus are found in other locations within the pelvic cavity…

  • endocrine glands

    Glands that are ductless and release their secretions directly into the bloodstream.

  • endocarditis

    Inflammation or infection of the inside of the heart, often including the heart valves.

  • encopresis

    Fecal incontinence. Inability to hold feces.

  • emphysema

    Chronic lung disease characterized by loss of elasticity of lung tissue and resulting in trapped air in the lung.

  • electroconvulsive

    A type of therapy used to treat severe, unresponsive depression by passing electrical current through the brain.

  • EKG

    Electrocardiogram.

  • ejaculation

    The sudden ejection of semen from the male body. Climax.

  • EEG

    Electroencephalogram.

  • edema

    Buildup of excessive fluid around the cells in the body.

  • ectropion

    An outward turning of the eyelid.

  • ectopic pregnancy

    When the fertilized egg is implanted and develops outside of the uterus.

  • eclampsia

    An attack of convulsions. Particularly used to describe toxemia (toxins in the blood) of pregnancy.

  • ECG

    Electrocardiogram.

  • ecchymosis

    A collection of blood in the tissues causing a black and blue, or yellow, area.

  • eardrum

    The tympanic membrane that’s visible in the ear. It vibrates in response to sound waves.

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