Category: H
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Halophilic
Requiring solutions of high salt concentration for healthy growth. Certain bacteria are halophilic. Concerning or having an affinity for salt or any halogen.
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Halogens
Very active nonmetallic elements such as fluorine, chlorine, bromine, and iodine. Low concentrations of chlorine and iodine are markedly lethal to vegetative bacteria, and can also be sporicidal, but their action is adversely affected by the presence of organic matter. Chlorine (as hypochlorite or chloramine) is used to disinfect water supplies; hypochlorites are used to…
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Halo effect
The tendency to assume that persons who possess one positive characteristic, also possess other positive characteristics. The effect (usually beneficial) which the manner, attention and caring of a provider have on a patient during a medical encounter regardless of what medical procedures or services the encounter actually involves. The giving of an inflated performance appraisal…
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Hallux valgus
A bunion. A condition of the foot, where the big toe turns towards the other toes and a bunion is formed. Deformity of the foot in which the great toe is angled laterally toward the other toes. A deformity of the foot caused by an osteoarthritic degenerative condition in the joint of the big toe.…
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Halisteresis
The lack of calcium in bones.
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Half-ring splint
A traction splint with a hinged half-ring at the upper end that allows the splint to be used on either the right or the left leg.
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Halation
A blurring of vision resulting from light from the wrong direction. A blurring of vision caused by light being scattered to the side of the source. The blurring or lack of sharpness in an image that can occur during film duplication. This can happen when the light source passing through the original radiograph reflects back…
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Hair implantation
A surgical procedure of grafting hair-producing tissue from one part of the body to another part.
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Haec verba
Pertains to the same words (identical).
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Habituation procedure
A method used in the study of infant perception.