Category: D

  • Debanding

    In orthodontics, the removal of a cemented orthodontic band from a tooth.  

  • Death investigation

    The customary investigation of a violent, suspicious, or unexpected death or of a death unattended by a physician. The investigation is, by law, done by an officially appointed person. The investigation system includes medical examiners, coroners, or both a combined medical examiner and coroner. The system used varies from state to state.  

  • Deathbed statement

    A declaration made at the time immediately preceding death. Such a statement, if made with the consciousness and belief that death is impending and in the presence of a witness, is legally considered as binding as a statement made under oath.  

  • Dearterialization

    Changing of arterial into venous blood; deoxygenation.  

  • Deaminization

    Loss of the NH2 radical from amino compounds. Alanine can be deaminized to produce ammonia and pyruvic acid: CH3CH(NH2)COOH + 0 = CH3CO COOH + NH³. Deaminization may be simple, oxidative, or hydrolytic. Oxidizing enzymes are called deaminization enzymes when the oxidation is accompanied by splitting off of amino groups. Deaminization is the first step…

  • Deamidation

    The removal of an amide group by hydrolysis.  

  • Deamidase

    An enzyme that splits amides to form carboxylic acid and ammonia.  

  • Psychic deafness

    A condition in which auditory sensations are perceived but not comprehended.  

  • Deaf-mutism

    The state of being both deaf and unable to speak.  

  • Deaf-mute

    A person who is unable to hear or speak. An individual who cannot hear or speak, particularly when the speech impairment is a result of being born deaf or becoming deaf shortly after birth.