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  • sun-glasses

    Eyeglasses, usually spectacles, with coloured or tinted lenses that protect the eyes from the glare of sunlight.

  • supercoiling

    A form of DNA where the double helix is twisted further around itself. This generally occurs in nature to allow the DNA to condense into living cells.

  • suppository

    A drug that is inserted into the rectum, vagina or urethra, where it dissolves.

  • suramin

    a nonmetallic drug that may be used in the treatment of sleeping sickness

  • surgery

    trial term S&H

  • surgical bobbin

    used in abdominal surgery

  • surgical instrument set

    Set of instruments to be used for surgery. A physician would often build up their own collection of favoured tools in order to feel as comfortable as possible when carrying out surgery.

  • surgical saw

    Cutting tools having thin, flat metal blades, bands, or stiff plates with cutting teeth along the edges used in surgery and for procedures such as trephination.

  • suture

    The closing of a wound or incision with thread to help the healing process.

  • suture needle

    needle used to suture (join the edges of a wound or incision by stitching)

  • suturing machine

    Machine used to suture wounds

  • sword

    Edged weapon consisting basically of a blade, generally longer than that of dagger or knife, and a grip; designed for delivering cutting or thrusting blows or both.

  • symptom

    A physical or mental feature which is regarded as indicating a condition of disease

  • synthetic

    A substance that has been made artificially, i.e. one that does not come from a natural source. Nylon is an example of a synthetic fibre.

  • syphilis

    A sexually transmitted infection resulting in the formation of lesions throughout the body.

  • syringe

    An instrument used for injecting or withdrawing fluids. The open end of the syringe may be fitted with a hypodermic needle for injection into the bloodstream.

  • syrup

    A thick sticky liquid

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