Category: A

  • Anal fissure

    A crack in the mucous membrane of the wall of the anal canal. A tear or ulcer in the lining of the anal canal that extends inside the canal from the anal opening. Fairly common, anal fissures may be linked to constipation and diarrhea, although their exact cause remains unknown. The first symptom of an…

  • Anaesthetist

    A specialist who administers anaesthetics.  

  • Anaesthetise

    To produce a loss of feeling in a person or in part of the person’s body.  

  • Anaesthetic risk

    The risk that an anaesthetic may cause serious unwanted side effects.  

  • Anaesthetic induction

    A method of inducing anaesthesia in a patient.  

  • Anaesthesiologist

    A specialist in the study of anaesthetics.  

  • Anacrotism

    A second stroke in the pulse. The condition in which there is an abnormal curve in the ascending line of a pulse tracing. It may be seen in cases of aortic stenosis. The presence of a double beat or a notched wave on the ascending line of a pulse wave tracing.  

  • Amyotrophia

    A condition in which a muscle wastes away. Progressive wasting of a muscle or group of muscles; also called amyotrophy.  

  • Amyotonia

    A lack of muscle tone. Deficiency or lack of muscular tone.  

  • Amylopsin

    An enzyme which converts starch into maltose. An enzyme in pancreatic juice that hydrolyzes starch into achroodextrin and maltose.