Category: H
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Hemodialysis
The use of an artificial kidney to clear urea, metabolic waste products, toxins, and excess fluid from the blood. This procedure is used to treat end-stage renal failure, transient renal failure, and some cases of poisoning or drug overdose. In the U.S., more than 345,000 patients undergo hemodialysis regularly for end-stage renal disease. The primary…
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Hemodiagnosis
Examination of the blood for diagnostic purposes.
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Hemodiafiltration
A method of ultrafiltration in which a patient’s blood is directed through a hemofilter and then dialyzed by a countercurrent solution before it is returned to the patient. Volume, electrolytes, metabolites, or toxins are removed from the blood before it re-enters the body.
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Hemocytophagia
The phagocytic ingestion of red blood cells.
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Hemocytology
The study of the structure and function of blood cells.
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Hemoclip
A metal or absorbable clip used to ligate blood vessels.
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Hemobilia
Blood in the bile or bile ducts.
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Hemoagglutinin
An agglutinin that clumps the red blood corpuscles.
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Hemizygosity
Possessing only one of the gene pair that determines a particular genetic trait.
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Hemivertebra
The congenital absence of or the failure to develop half of a vertebra. Hemivertebra, a congenital condition characterized by incomplete formation of one side of a vertebra before birth. A birth anomaly where one side of a vertebra (spinal bone) doesn’t fully develop during formation.