Category: H

  • Hyperlipoproteinemia

    Any of a large group of disorders of lipoprotein and cholesterol metabolism resulting in higher than normal cholesterol and lipoprotein levels in the blood. Some of the disorders are hereditary (e.g., familial hypercholesterolemia) whereas others are acquired. The presence in the blood of abnormally high concentrations of lipoproteins. Increased lipids in the blood resulting either…

  • Hypercalciuria

    Abnormally large amounts of calcium in the urine, usually resulting from excess bone resorption (e.g., in osteoporosis, hyperparathyroidism) also called hypercalcinuria. An excessive concentration of calcium in the urine.  

  • Hyperbetalipoproteinemia

    Genetic disorder of lipid metabolism in which there are abnormally high levels of serum cholesterol and a tendency to develop atherosclerosis and heart disease at an early age. Treatment involves a low- cholesterol diet and sometimes the use of drugs to lower blood lipid levels. Abnormally high amounts of the bile pigment bilirubin in the…

  • Hyoscyamine

    Drug used to treat excess motility of the gastrointestinal tract. A drug with similar activity to hyoscine, used, often in mixtures, to treat muscle spasm. It is administered by mouth.  

  • Hyoid hone

    Small, isolated, v-shaped bone that supports the tongue.  

  • Hydroflumethiazide

    Diuretic used to treat hypertension and edema. Adverse effects include electrolyte imbalances. A diuretic used to treat fluid retention (edema) and high blood pressure. It is administered by mouth and may cause skin reactions, digestive upsets, dizziness, and weakness.  

  • Hydremia

    Excess fluid volume, compared with cell volume of the blood. The presence in the blood of more than the normal proportion of water. An excess of watery fluid in the blood. A diluted form of the bloodstream with a watery consistency.  

  • Hydraminios

    Abnormality of pregnancy in which there is an excess of amniotic fluid surrounding the fetus; sometimes associated with toxemia of pregnancy or diabetes mellitus in the mother, multiple pregnancy, or fetal disorder.  

  • Hydantoin

    Any of a group of anticonvulsants used in the management of epilepsy. The most widely used hydantoin is phenytoin.  

  • Human bite

    Human bite

    Bite to any portion of the body caused by the human mouth and teeth; these bites are highly prone to infection due to the large number of bacteria present in human saliva. Human bites pose a high risk of infection because of the many types of bacteria and viruses found in the human mouth. An…