Category: D
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Deoxyribose
A 5-carbon sugar, ribose, reduced by the removal of an atom of oxygen. A pentose sugar that is part of DNA.
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Deoxygenated blood
Blood that has lost or been deprived of oxygen. Blood from which most of the oxygen has been removed by the tissues. It is darker than arterial oxygenated blood.
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Deontology
The theory of professional obligations. The ethics of duty and of what is morally right or wrong. A system of ethical decision making that considers the intrinsic moral significance of an action as the basis of decisions. The study of ethics and correct behavior or duty. In medicine this includes consideration of the proper behavior…
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Deononology
The doctrine that a person’s abnormal behavior is caused by an autonomous evil spirit.
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Deodorant
A product that masks body odor or prevents it. Usually, short acting, antiperspirant. A substance which hides or prevents unpleasant smells. An agent that reduces or removes unpleasant body odors by destroying bacteria that live on the skin and break down sweat. Deodorant preparations often contain an antiseptic, such as hexachlorophene. Substances which remove or…
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Dentist
A person who possesses the Doctor of Dental Surgery (DDS) degree, or Doctor of Dental Medicine (DMD) degree, and who is concerned with the prevention of dental disorders and the diagnosis and treatment of dental and oral diseases and restoration of dental defects. A professional person qualified by education and authorized by law (usually by…
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Dental screening
Dental checkup.
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Dental pathology
The dental specialty concerned with diseases of the oral cavity.
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Dental laboratory technician
A person trained in constructing dental prostheses. A dental technician makes the dentures according to the directions of the dentist. A highly trained professional who makes or repairs dental appliances. By using dental impressions taken from the patient by the dentist or dental hygienist, a dental laboratory technician (also called a denturist) constructs or repairs…
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Dental insurance
A policy that provides for dental care. Most have limitations and deductible clauses. Generally, they provide for some coverage for preventive and maintenance care, oral examination, prophylaxis, X-rays, and restorative treatment.