Category: D
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Debanding
In orthodontics, the removal of a cemented orthodontic band from a tooth.
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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.
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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.
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Dearterialization
Changing of arterial into venous blood; deoxygenation.
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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…
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Deamidation
The removal of an amide group by hydrolysis.
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Deamidase
An enzyme that splits amides to form carboxylic acid and ammonia.
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Psychic deafness
A condition in which auditory sensations are perceived but not comprehended.
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Deaf-mutism
The state of being both deaf and unable to speak.
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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.