| ST junction | The point marking the end of the QRS complex and the beginning of the S or T wave in the electrocardiogram. Synonym: ST junction. (05 Mar 2000) |
|---|---|
| St. Louis encephalitis virus | A group B arbovirus, in the family Flaviviridae, occurring in the U.S., Trinidad, and Panama; normally present as inapparent infection in humans, but sometimes a cause of encephalitis; the virus has been isolated from birds in Panama and from several mosquito species, especially Psorophora. (05 Mar 2000) |
| St1C1 N-hydroxyarylamine sulfotransferase | <enzyme> A male-dominant rat sulfotransferase that catalyses activation of n-hydroxy-2-acetylaminofluorene genbank/embl l22339 Registry number: EC 2.8.2.- Synonym: hast-i, n-hydroxy-2-acetylaminofluorene st (26 Jun 1999) |
| stab | To pierce with a pointed instrument, as a knife or dagger. Origin: Gael. Stob (05 Mar 2000) |
| stab culture | A culture produced by inserting an inoculating needle with inoculum down the centre of a solid medium contained in a test tube. Synonym: needle culture. (05 Mar 2000) |
| stab drain | A drain passed into a cavity through a puncture made at a dependent part away from the wound of operation, designed to prevent infection of the wound. (05 Mar 2000) |
| stab neutrophil | <pathology> Immature neutrophils released from the bone marrow reserve in response to acute demand. (18 Nov 1997) |
| stab wound | <surgery> A puncture wound that is generated from the applied force of a sharp object, to make a deep, conical wound. (10 Mar 1998) |
| staB-cell | <pathology> Immature neutrophils released from the bone marrow reserve in response to acute demand. (18 Nov 1997) |
| stabilate | A sample of organisms preserved alive on a single occasion. (05 Mar 2000) |
| stabile | Steady; fixed; denoting: 1) certain constituents of serum unaffected by ordinary degrees of heat; 2) an electrode held steadily on a part during the passage of an electric current. Compare: labile. Origin: L. Stabilis (05 Mar 2000) |
| stabilimeter | An instrument to measure the sway of the body when standing with feet together and usually with eyes closed. Origin: L. Stabilitas, firmness, + G. Metron, measure (05 Mar 2000) |
| stabilisation | The creation of a stable state. (18 Nov 1997) |
| stabilised baseplate | A baseplate lined with plastic material to improve its fit and stability. (05 Mar 2000) |
| stabiliser | 1. That which renders something else more stable. 2. An agent that retards the effect of an accelerator, thus preserving a chemical equilibrium. 3. A part possessing the quality of rigidity or creating rigidity when added to another part. (05 Mar 2000) |