| AHF | acute heart failure; American Health Foundation; American Hepatic Foundation; American Hospital Form... |
|---|---|
| NPF | nasopharyngeal fiberscope; National Parkinson Foundation; National Pharmaceutical Foundation; Nation... |
| ERF | Education and Research Foundation; external rotation in flexion; Eye Research Foundation |
| IHF | Industrial Health Foundation; integration host factor; International Hospital Foundation |
| NAF | nafcillin; National Amputation Foundation; National Ataxia Foundation; net acid flux |
| CCF | Cleveland Clinic Foundation |
|---|---|
| JDF | Juvenile Diabetes Foundation |
| JDF-U | Juvenile Diabetes Foundation Units |
| NKF DOQI | National Kidney Foundation Dialysis Outcomes Quality Initiative |
| RERF | Radiation Effect Research Foundation |
| sea letter | The customary certificate of national character which neutral merchant vessels are bound to carry in time of war; a passport for a vessel and cargo. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| test letter | See: test types. (05 Mar 2000) |
| letter | Written or printed communication between individuals or between persons and representatives of corporate bodies. The correspondence may be personal or professional. In medical and other scientific publications the letter is usually from one or more authors to the editor of the journal or book publishing the item being commented upon or discussed. Letter as a publication type is often accompanied by comment. (12 Dec 1998) |
| letter blindness | Visual agnosia for letters. The subject sees the letters but cannot identify them; caused by a lesion in the occipital cortex. (05 Mar 2000) |
| mean foundation plane | The mean of the various irregularities in form and inclination of the basal seat; the ideal condition for denture stability exists when the mean foundation plane is most nearly at right angles to the direction of force. (05 Mar 2000) |
| National Science Foundation | <organisation> A nonregulatory U.S. Federal agency which has oversight of biotechnology research activities that the agency funds. (09 Oct 1997) |
| denture foundation | That portion of the oral structures which is available to support a denture. See: denture foundation area, denture foundation surface, mean foundation plane. (05 Mar 2000) |
| denture foundation area | That portion of the basal seat which supports the complete or partial denture base under occlusal load. Synonym: basal seat, denture-bearing area, denture-supporting area, stress-bearing area, supporting area, tissue-bearing area. (05 Mar 2000) |
| denture foundation surface | That portion of the surface of a denture which has its contour determined by the impression and bears the greater part of the occlusal load. Synonym: denture basal surface. (05 Mar 2000) |
| foundation | A base; a supporting structure. (05 Mar 2000) |
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