Category: H
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Hypnodontics
The application of controlled suggestion and hypnosis to the practice of dentistry.
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Hypnagogic state
A transitional state between sleeping and waking and the delusions that may result therefrom.
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Hyphomycetes
In one system of taxonomy, a class of the fungi imperfecti; it includes the genera Aspergillus, Blastomyces, and Histoplasma. This class is equivalent to the phylum Deuteromycotina in another system of taxonomy.
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Hyperviscosity
Excessive resistance to the flow of liquids. Impaired hydraulic behavior, especially of the plasma. Hyperviscous plasma is found in several hematological illnesses, including multiple myeloma and Waldenstrom’s macroglobulinemia. In the latter illness, it can be treated with plasma exchange therapy. The condition of having thick and sticky blood is attributed to the buildup of substantial…
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Hypervigilance
Excessive attentiveness to stimuli. Hypervigilance refers to an altered state of exceptionally heightened vigilance and alertness observed in individuals who have endured trauma or prolonged abuse. It is often depicted as a perpetual sense of being on high alert, maintaining a constant state of red alert. This condition manifests as an abnormal and intensified state…
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Hypervalinemia
An inherited condition caused by a deficiency of the enzymes essential to the metabolism of valine. The condition is marked by mental retardation, nystagmus, vomiting, and failure to thrive.
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Hypertonus
Increased tension, as muscular tension in spasm.
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Hypertonicity
An excess of muscular or arterial tone or intraocular pressure.
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Hyperthyroxinemia
An excess of thyroxine in the blood.
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Hyperthrombinemia
An excess of thrombin in the blood. This tends to promote intravascular clotting.