| LFD | lactose-free diet; large for date [fetus]; late fetal death; lateral facial dysplasia; least fatal d... |
|---|---|
| MF | magnetic field; meat free; medium frequency; megafarad; membrane filler; merthiolate-formaldehyde [s... |
| ECCE | Extra-Capsular Cataract Extraction |
| ECLE | Extra-Capsular Lens Extraction |
| ERBSE | Endoscopic Retrograde Balloon Stone Extraction |
| extraction | The process or act of pulling or drawing out. Origin: L. Trahere = to draw (18 Nov 1997) |
|---|---|
| extraction and processing industry | The industry concerned with the removal of raw materials from the earth's crust and with their conversion into refined products. (12 Dec 1998) |
| extraction coefficient | The percentage of a substance removed from the blood or plasma in a single passage through a tissue; e.g., the extraction coefficient for p-aminohippuric acid (PAH) in the kidney is the difference between arterial and renal venous plasma PAH concentrations, divided by the arterial plasma PAH concentration. (05 Mar 2000) |
| extraction, obstetrical | Extraction of the foetus by means of obstetrical instruments. (12 Dec 1998) |
| extraction ratio | The fraction of a substance removed from the blood flowing through the kidney; it is calculated from the formula (A -V)/A, where A and V, respectively, are the concentrations of the substance in arterial and renal venous plasma. (05 Mar 2000) |
| Adson forceps | A small thumb forceps with two teeth on one tip and one tooth on the other. (05 Mar 2000) |
| alligator forceps | A long forceps with a small hinged jaw on the end. (05 Mar 2000) |
| Allis forceps | A straight grasping forceps with serrated jaws, used to forcibly grasp or retract tissues or structures. (05 Mar 2000) |
| Arruga's forceps | Forceps for the intracapsular extraction of a cataract. (05 Mar 2000) |
| arterial forceps | A locking forceps with sloping blades for grasping the end of a blood vessel until a ligature is applied. (05 Mar 2000) |
| axis-traction forceps | Obstetrical forceps provided with a second handle so attached that traction can be made in the line in which the head must move in the axis of the pelvis. (05 Mar 2000) |
| Barton's forceps | An obstetrical forceps with one fixed curved blade and a hinged anterior blade for application to a high transverse head. (05 Mar 2000) |
| bayonet forceps | Forceps with offset blades, such as those for use through an otoscope. (05 Mar 2000) |
| bone forceps | A strong forceps used for seizing or removing fragments of bone. (05 Mar 2000) |
| Brown-Adson forceps | An Adson forceps with about 16 delicate teeth on each tip. (05 Mar 2000) |