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dressing
A bandage for an external wound.
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DPT
A vaccine containing antigens from diphtheria, pertussis and tetanus.
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Down syndrome
A genetic disorder characterized by some degree of mental retardation and by various physical malformations, such as slanted eyes and…
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douche
A flow of liquid or vapor directed onto or into a part of the body.
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dorsal
Toward the back.
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diverticulosis
A condition in which pouches form on the wall of the colon.
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diverticulitis
Inflammation of small pouches that may form on the wall of the colon.
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diverticula
Pouches or sacs opening out from a main cavity or tubular organ of the body.
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diuresis
Increased elimination of urine.
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distal
A location farther from a point of reference. For example, the foot is distal to the knee, relative to the…
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disorientation
Mental confusion, especially of time, place or person.
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dislocation
Displacement of a bone from a joint.
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diskectomy
Removal of an intervertebral disk of the spine.
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disk
A round, flat structure, particularly the fibrous cartilage layer between two vertebrae (the bones that make up the spine). Also…
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disinfectant
A chemical agent used to destroy microorganisms on inanimate objects.
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discoid lupus erythematosus
A round, red, scaling rash on the nose, forehead, cheeks, scalp or other areas of the body. It may be…
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diplopia
Double vision.
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diphtheria
An infectious disease of childhood characterized by fever, sore throat and the presence of “dirty” (white, gray, brown) membranes in…
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dilation
The process of expanding or enlarging.
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digit
A finger or toe.
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digestion
The mechanical and chemical conversion of food into simpler compounds that can be absorbed by the body.