Category: D
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Dynein
A very large protein that has a molecular configuration resembling arms. Contraction of these arms facilitates the movement of cilia and flagella of bacteria.
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Dynamoscope
An instrument for auscultation of muscles.
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Dynamometry
The process of obtaining quantifiable measurements of muscular strength, power, and/or endurance.
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Dying
The end of fife and the transition to death.
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Dwyer instrumentation
A surgical procedure for stabilization of scoliosis. The spine is approached from the front, and bolts are inserted transversely through each vertebra. A cable attached to the bolts is applied to the convexity of the curve, and the vertebrae are pulled together.
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Duverney’s fracture
A fracture of the ilium just below the anterosuperior spine.
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Duty to warn
An obligation to advise a patient about potential risks of a treatment or procedure.
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Duty cycle
During chest compressions of a victim of cardiac arrest, the relative amount of time that the chest is compressed compared to the time that the chest is allowed to recoil to its fully inflated position. A cycle of 50% occurs when chest compression equals chest recoil.
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Duty of care
The legal and moral obligation to act responsibly and prudently, e.g., to avoid taking actions that one may foresee as being potentially hazardous to others.
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Dusting powder
Any fine powder for dusting on skin.