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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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  • dependence

    A state of absolute need, both physical and psychological.

  • deltoid

    The triangular muscle of the shoulder.

  • dehydration

    Excessive loss of body water resulting in weakness, dizziness and other symptoms. It can be life-threatening if not treated, especially…

  • degenerative joint disease

    A common form of arthritis in which tissue changes occur in one or more joints, such as swelling, lumps or…

  • defibrillator

    A machine that delivers an electrical shock to an irregularly beating heart to restore normal rhythm.

  • decalcification

    Loss of calcium from the bones or teeth.

  • debridement

    Removal of foreign material or dead tissue.

  • D and C

    Dilatation and curettage. A surgical procedure in which the uterine lining is removed by scraping.

  • cytology

    The study of cells.

  • cyst

    A sac or pocket in the body containing fluid or semisolid material.

  • croup

    Obstruction of the upper respiratory tract at or below the larynx (voice box), resulting in a hoarse, barking cough.

  • cretinism

    Physical and mental retardation due to congenital lack of thyroid hormone.

  • coxsackievirus

    A virus that can cause inflammation of the heart, brain or eye, or hand-foot-and-mouth disease.

  • costochondritis

    Inflammation of the cartilage-containing joints where the ribs join the breastbone (sternum).

  • coryza

    Runny nose.

  • corticosteroid hormones

    Hormones produced by the adrenal glands.

  • heart

    The hollow, muscular organ responsible for pumping blood through the circulatory system.

  • consumption

    1. Using up. 2. Wasting of the body; especially used in reference to advanced tuberculosis.

  • constipation

    A condition in which the stool becomes too hard for easy elimination.

  • connective tissue

    Fibrous tissue with a wide variety of connecting and supporting functions within and between body organs.

  • conjunctivitis

    Inflammation of the conjunctiva. Also called pink eye.

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