| HD | Haab-Dimmer [syndrome]; Hajna-Damon [broth]; Hansen disease; hearing distance; heart disease; helix ... |
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| HEP | hemolysis end point; hepatoerythropoietic porphyria; high egg passage [virus]; high-energy phosphate... |
| HFD | hemorrhagic fever of deer; high-fiber diet; high forceps delivery; hospital field director; human fa... |
| HFHV | high frequency, high volume |
| HFO | high-frequency oscillator; high-frequency oscillatory [ventilation] |
| high-hoe | <zoology> The European green woodpecker or yaffle. Alternative forms: high-hoo. Source: Websters Dictionary (01 Mar 1998) |
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| high-holder | <zoology> The flicker. Synonym: high-hole. Source: Websters Dictionary (01 Mar 1998) |
| high-kV technique | Chest radiography using a kilovoltage of at least 125 kVp, usually 140-150 kVp, to reduce patient dose and increase latitude. (05 Mar 2000) |
| high lithotomy | Lithotomy in which the bladder is entered by an incision immediately above the symphysis pubis. Synonym: high lithotomy. (05 Mar 2000) |
| high mannose oligosaccharide | <biochemistry> A subset of the N glycan chains that are added post translationally to certain asparagine residues of secreted or membrane proteins in eukaryotic cells, contain 5-9 mannose residues, but lack the sialic acid terminated antennae of the so called complex type. (18 Nov 1997) |
| high-mobility group protein | <protein> An HMG protein is one of a group of various different proteins which are somehow involved with chromatin, but which are not histones and whose exact function is not known. (09 Oct 1997) |
| high mobility group proteins | Family of small, nonhistone, nuclear proteins. Some appear to be involved in controlling transcription. (18 Nov 1997) |
| high osmolar contrast agent | Ionic water-soluble iodinated contrast media. Synonym: high osmolar contrast medium. (05 Mar 2000) |
| high osmolar contrast medium | Ionic water-soluble iodinated contrast media. Synonym: high osmolar contrast medium. (05 Mar 2000) |
| high output failure | Heart failure in which, despite relative myocardial insufficiency and consequent congestive heart failure, the cardiac output is maintained at normal or supernormal levels, as is sometimes seen in emphysema, thyrotoxicosis, etc. (05 Mar 2000) |
| high-palmed | <zoology> Having high antlers; bearing full-grown antlers aloft. Source: Websters Dictionary (01 Mar 1998) |
| high-pass filter | A device or material that allows high frequency signals to pass while attenuating other signals. (05 Mar 2000) |
| high-performance liquid chromatography | <investigation> A lab technique, a type of column chromatography, which uses a combination of several separation techniques to separate substances at higher resolution. Extremely sharp peaks on the elution profile can be produced with high-performance liquid chromatography (HPLC). (09 Oct 1997) |
| high-pressure | 1. Having or involving a pressure greatly exceeding that of the atmosphere; said of steam, air, water, etc, and of steam, air, or hydraulic engines, water wheels, etc. 2. Urgent; intense; as, a high-pressure business or social life. High-pressure engine, an engine in which steam at high pressure is used. It may be either a condensing or a noncondensing engine. Formerly the term was used only of the latter. See Steam engine. Source: Websters Dictionary (01 Mar 1998) |
| high-pressure liquid chromatography | <investigation> A lab technique, a type of column chromatography, which uses a combination of several separation techniques to separate substances at higher resolution. Extremely sharp peaks on the elution profile can be produced with high-performance liquid chromatography (HPLC). (09 Oct 1997) |