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  • doshas

    The three energies in Ayurveda medicine. When in balance with each other are believed to maintain good health and also determine personality.

  • double helix

    The name for the shape of two strands of DNA when bound together into a twisted helix.

  • douche

    Liquids (sea water, lemon juice, vinegar or shop-bought preparations) used to rinse the vagina before or after sexual activity.

  • dressings

    Remedies and bandages used to dress or cover a sore, wound, or other lesion.

  • drink dispenser

    A device designed specifically for the easy dispensing of liquid to an ill individual, presumably one who is lying down.

  • drop foot

    A condition where the foot and toes cannot be turned upwards, or at right angles to the leg. This results in an abnormal way of walking.

  • dropsy

    An accumulation of fluid in the body tissues which results in swelling.

  • drug

    Any animal, vegetable, or mineral substance used in the composition of medicines. They affect the structure or function of a living organism.

  • drug jar

    A (usually earthenware) container designed to hold apothecaries' ointments and dry drugs.

  • dwarfism

    A condition characterized by being very short, but with standard body proportions. It occurs from an insufficient production of growth hormone.

  • dynamometer

    An apparatus for measuring force or power. In particular muscular effort of humans or animals, the power developed by a motor, or that needed to operate machinery. It commonly has a spring to be compressed or weight to be sustained by the force applied.

  • dysentery

    Infectious disease with symptoms including diarrhoea, bleeding, and abdominal cramps. It spreads in contaminated food and water, especially in the tropics.

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