Category: H
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Hyperlipemia
Excess levels of fatlike substances called lipids in the blood. Levels of lipids in excess of normal (5-6 g/L). The presence in the blood of an abnormally high concentration of fats. An excessive quantity of fat in the blood. A broad term describing increased levels of any or all lipids in the blood plasma.
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Hydroureter
Distention of the ureter with fluid due to obstructed outflow. Distension of ureter with urine or watery fluid. A condition in which water or urine collect in the ureter because it is blocked. An accumulation of urine in one of the tubes (ureters) leading from the kidneys to the bladder. The ureter becomes swollen and…
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Heterozygous
Possessing different genes from each parent for a particular trait. A genetic characteristic containing a dominant and recessive gene. Having two or more different versions of a specific gene. Having two different alleles of a gene at corresponding loci (sites) on homologous chromosomes. A person heterozygous for a given trait inherits one allele from each…
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Hemiparesis
Paralysis affecting only one side of the body. Muscle weakness on one side of body. Slight paralysis of the muscles of one side of the body. Hemiparesis is a condition involving a neurological deficit in which one side of the body has weakness or is partially paralyzed. In hemiparesis, neurological compromise is limited to the…
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Homologue
Any organ that is similar to another organ, for example, the hands and feet. One pair of morphologically and genetically identical chromosomes. An organ or part common to a number of species.
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Herpes infections
A group of viruses responsible for cold sores, chicken pox, shingles, and genital sores.
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Hepatitis infections
Inflammation of the liver, usually caused by one of the hepatitis viruses.
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Hay fever
Runny nose and cold like symptoms owing to pollen allergy. Type of allergic rhinitis, with symptoms of sneezing, runny or stuffy nose, and watery eyes, that occurs seasonally on exposure to pollen. Antihistamines are frequently used to alleviate the symptoms; if the specific allergen can be identified, desensitization may be possible. Also called pollinosis. A…
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Half-life
The time required for one half of a given drug to be eliminated from the body. The time in which radioactivity originally associated with an isotope will be reduced by one-half through radioactive decay. A measurement of the period of time taken before the concentration of a drug has reached half of what it was…
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Holistic
Among to treat the individual as an entity, incorporating body, mind, and spirit, from the Greek word holes meaning whole. An approach that attempts to treat the whole body and mind. Recognizing that health is influenced by an interaction of the three dimensions of health: psychological, physical, and social. Referring to a method of treatment…