Hemizygous
Having only a single copy of a gene instead of the customary two copies. All the genes on the single X chromosome in the male are ‘hemizygous.
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- Hemochromatosis
An inherited disorder characterized by abnormally high absorption of iron by the intestinal tract, resulting in excessive storage of iron, particularly in the liver, skin, pancreas, heart, joints, and testes. Common early symptoms include abdominal pain, weakness, lethargy, and weight loss. The onset of symptoms is usually between 30 to 50 years of age in […]
- Hemodialysis
A medical procedure to remove fluid and waste products from the blood and to correct electrolyte imbalances. This is accomplished using a machine and a dialyzer, also referred to as an “artificial kidney.” Hemodialysis is used to treat both acute (temporary) and chronic (permanent) kidney failure.
- Hemoglobin
the iron in hemoglobin is salvaged, transported to the bone marrow by a protein called transferrin and used again in the production of new red blood cells; the remainder of the hemoglobin becomes a chemical called bilirubin that is excreted into the bile which is secreted into the intestine, where it gives the feces their […]
- Hemoglobin A
Normal adult hemoglobin, the main type of hemoglobin found after infancy. The A stands for adult.
- Hemoglobin A1C
The higher the glucose concentration in blood, the higher the level of HbA1c. Levels of HbA1c are not influenced by daily fluctuations in the blood glucose concentration but reflect the average glucose levels over the prior 6 to 8 weeks. Measurement of HbA1c is a useful indicator of how well the blood glucose level has […]