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  • ambergris

    A wax like substance that is an intestinal secretion of the sperm whale. It is found floating on tropical seas and has been used to make perfume.

  • ambrotype (process)

    A photographic process that creates a positive photographic image on a sheet of glass using the wet plate collodion process.

  • ambulance

    A vehicle used for taking people to and from hospital for treatment, particularly in emergencies.

  • amenorrhoea

    The abnormal absence of menstruation

  • amino acid analyser

    used in laboratories to analyse amino acids

  • ammeter

    Instruments for measuring the strength of electric current flow, amperage, in amperes.

  • ammoniaphone

    Instrument which uses the inhalation of ammonia to treat bronchial disorders.

  • amoxicillin

    A form of penicillin that is easily absorbed. It is used for a variety of ailments, including middle-ear and sinus infections, salmonella and gonorrhoea.

  • amoxycillin

    antibiotic used against a wide variety of bacteria. Similar to penicillin and used to treat ear infections, chest infections, balder infections and gonorrhea

  • amphibian remains

    Whole or part remains of an animal from the amphibian family (amphibia). A group of vertebrate animals distinguished by having two distinct forms during its life cycle, one in water and the other usually out of water breathing air.

  • amplifier

    Device that increase the power level of quantities such as signals, electric currents, or mechanical forces, often used in electronic equipment such as radio and television receivers and audio equipment.

  • ampoule

    A sealed glass or plastic capsule containing one dose of a drug in the form of a sterile solution for injection.

  • amputation

    Removal of part of, or a whole limb by surgery. Used to control pain or the spread of disease in the affected limb.

  • amputation instrument set

    Set of instruments used for amputation, usually of external limbs. The amputation saw was the primary part, usually present in all sets of this type.

  • amputation knife

    A broad-bladed knife used primarily for cutting large muscles during major amputations of limbs

  • amputation saw

    Saw used for amputation. These tend to be instruments from the past, and were in common usage from c. 1500-1940 in Europe.

  • amulet

    Small object or piece of jewellery worn as a protecting charm to ward off ill health and bad luck.

  • amulet case

    Container for housing an amulet

  • amyl nitrite

    A liquid that is used to treat heart disease by causing the blood vessels to widen.

  • anaemia

    A shortage of haemoglobin (the pigment carrying oxygen in red blood cells). Symptoms include weakness, pale skin, breathlessness, faintness, palpitations, and lowered resistance to infection.

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