| HDL |
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initialism (wikipedia, High density lipoprotein)
- High-Density Lipoproteins
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| helix |
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noun (helixes, pl2=helices)
- (mathematics) A curve on the surface of a cylinder or cone such that its angle to a plane perpendicular to the axis is constant; the three-dimensional curve seen in a screw or a spiral staircase.
- (architecture) A small volute under the abacus of a Corinthian capital.
- (anatomy) The incurved rim of the external ear.
proper noun Helix
- (zoology) A genus of land snail containing many species.
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| hematopoiesis |
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noun
- (cytology) The process by which blood cells are produced; hematogenesis.
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| heme |
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noun (uncountable)
- The component of hemoglobin responsible for binding oxygen, consists of an iron ion that binds oxygen and a porphyrin ring that binds the globin molecules; one molecule binds one molecule of oxygen.
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| hemin |
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noun
- a reddish brown substance produced in a laboratory test for the presence of blood by reaction with glacial acetic acid and sodium chloride
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| hemocyanin |
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noun - (biochemistry) a blue copper-containing respiratory pigment (a metalloprotein) found in most molluscs, and some arthropods
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| hemodialysis |
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noun - (medicine) the use of dialysis to remove waste products from the blood in the case of kidney failure
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| hemoglobin |
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noun
- The iron-containing substance in red blood cells that transports oxygen from the lungs to the rest of the body; it consists of a protein (globulin), and haem (a porphyrin ring with an atom of iron at its centre).
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| heparin |
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noun
- an anticoagulant compound originally isolated from liver cells, now made synthetically for medical use
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| hesperidin |
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noun Hesperidin
- A citrus flavonoid compound, reported as the predominant flavonoid in lemons and oranges. Chemically, it is hesperetin-7-rutinoside, viz. (S)-7-[6-0-(6-deoxy-alpha-L-mannopyranosyl)-beta-D-glucopyranosyl oxy]-2,3-dihydro-5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-4H-1-benzopyran-4-one.
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| heteroauxin |
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noun - A growth promoting hormone, 3-indoleacetic acid, occuring in some plants
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| high-density lipoprotein |
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noun
- a class of lipoprotein that transports cholesterol to the liver from other tissue; high levels may decrease the risk of coronary heart disease
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| His |
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adjective
- (possessive, lang=English) Belonging to God.
- God asked, where is incarnate deity.
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| histaminase |
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noun - a widely occurring flavoprotein enzyme that oxidizes histamine and various diamines
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| histidine |
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noun
- (amino acid) An essential amino acid C6H9N3O2 found in most animal proteins; essential for tissue growth and repair.
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| histone |
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noun - Any of various simple water soluble proteins that are rich in the basic amino acids lysine and arginine and are complexed with DNA in the nucleosomes of eukaryotic chromatin.
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| hormone |
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noun
- (physiology) Any substance, produced by one tissue and conveyed by the bloodstream to another to effect physiological activity.
- (pharmacology) A synthetic compound with the same activity.
- Any similar substance in plants.
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| hydrocortisone |
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noun
- (steroid hormone) A steroid hormone, produced by the adrenal cortex, that regulates the metabolism of carbohydrates and maintains blood pressure.
- (pharmaceutical drug) A synthetic version of this hormone used to treat Addison's disease and other conditions.
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| hydrolase |
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noun
- (enzyme) An enzyme that catalyzes the hydrolysis of a substrate.
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| hydroxybutyric acid |
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noun - (chemistry) either of the isomeric compounds formed from a butyric acid by substituting a hydrogen atom with a hydroxyl group
- alphahydroxybutyric acid - 2-hydroxy-butanoic acid
- betahydroxybutyric acid - 3-hydroxy-butanoic acid
- gammahydroxybutyric acid - 4-hydroxy-butanoic acid
- 2-hydroxy, 2-methylpropanoic acid
- 3-hydroxy, 2-methylpropanoic acid
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