| ECG | Electro-Cardio-Graphy(-Gram); ½ÉÀüµµ = EKG 1. Conducting System Structu... |
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| JP | Jackson-Pratt [drain]; joining peptide; juvenile periodontitis |
| JPI | Jackson Personality Inventory |
| JWS | Jackson-Weiss syndrome |
| JP drain | The original suction drain. The drain itself is inside the body. It is made of Teflon and has multip... |
| WT | Ward's triangle |
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| CSM | Committee of Safety of Medicine |
| CPSC | Consumer Product Safety Commission |
| ESSENCE | Efficacy and Safety of Subcutaneous Enoxaparin in Non-Q wave Coronary Events |
| FSIS | Food Safety and Inspection Service |
| triangle of safety | The area at the lower left sternal border where the pericardium is not covered by lung (pericardial notch); preferred site for aspiration of pericardial fluid. (05 Mar 2000) |
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| Chevalier-Jackson dilator | An oesophageal dilator that passes through a rigid endoscope. (05 Mar 2000) |
| Jackson, Jabez | <person> U.S. Surgeon, 1868-1935. See: Jackson's membrane, Jackson's veil. (05 Mar 2000) |
| Jackson, John Hughlings | <person> English neurologist, 1835-1911. See: jacksonian epilepsy, Jackson's law, Jackson's rule, Jackson's sign. (05 Mar 2000) |
| Jackson's law | Loss of mental functions due to disease retraces in reverse order its evolutionary development. (05 Mar 2000) |
| Jackson's membrane | A thin vascular membrane or veil-like adhesion, covering the anterior surface of the ascending colon from the caecum to the right flexure; it may cause obstruction by kinking of the bowel. Synonym: Jackson's veil. (05 Mar 2000) |
| Jackson's rule | After an epileptic attack, simple and quasiautomatic functions are less affected and more rapidly recovered than the more complex ones. (05 Mar 2000) |
| Jackson's sign | <clinical sign> During quiet respiration the movement of the paralysed side of the chest may be greater than that of the opposite side, while in forced respiration the paralysed side moves less than the other. Origin: J. H. Jackson (05 Mar 2000) |
| Jackson's veil | A thin vascular membrane or veil-like adhesion, covering the anterior surface of the ascending colon from the caecum to the right flexure; it may cause obstruction by kinking of the bowel. Synonym: Jackson's veil. (05 Mar 2000) |
| margin of safety | The margin between the minimal therapeutic dose and the minimal toxic dose of a drug. (05 Mar 2000) |
| safety | 1. The condition or state of being safe; freedom from danger or hazard; exemption from hurt, injury, or loss. "Up led by thee, Into the heaven I have presumed, An earthly guest . . . With like safety guided down, Return me to my native element." (Milton) 2. Freedom from whatever exposes one to danger or from libility to cause danger or harm; safeness; hence, the quality of making safe or secure, or of giving confidence, justifying trust, insuring against harm or loss, etc. "Would there were any safety in thy sex, That I might put a thousand sorrows off." (Beau. & Fl) 3. Preservation from escape; close custody. "Imprison him, . . . Deliver him to safety; and return." (Shak) 4. Same as Safety touchdown, below. <chemistry> Safety arch, a tube to prevent explosion, or to control delivery of gases by an automatic valvular connection with the outer air; especially, a bent funnel tube with bulbs for adding those reagents which produce unpleasant fumes or violent effervescence. Safety valve, a valve which is held shut by a spring or weight and opens automatically to permit the escape of steam, or confined gas, water, etc, from a boiler, or other vessel, when the pressure becomes too great for safety; also, sometimes, a similar valve opening inward to admit air to a vessel in which the pressure is less than that of the atmosphere, to prevent collapse. Origin: Cf. F. Sauvete. Source: Websters Dictionary (01 Mar 1998) |
| safety factor | <radiobiology> The number of times a field line goes around a torus the long way for each time around the short way. In a tokamak, this number is typically near unity in the centre of the plasma and between two and 6 or 8 at the edge. So-called because it helps to determine the degree of stability the plasma has against certain instabilities. The safety factor is the inverse of the rotational transform, and can be expressed mathematically as q = (r Bt)/(R Bp), where r and R are the minor and major radii of the torus, and Bt and Bp are the toroidal and poloidal magnetic fields. (17 Dec 1997) |
| safety lens | A lens that meets government specifications of impact resistance; the increased impact resistance required for safety lens's is obtained by tempering, by an ion-exchange process, or by using laminated or plastic lenses. (05 Mar 2000) |
| safety management | The development of systems to prevent accidents, injuries, and other adverse occurrences in an institutional setting. The concept includes prevention or reduction of adverse events or incidents involving employees, patients, or facilities. Examples include plans to reduce injuries from falls or plans for fire safety to promote a safe institutional environment. (12 Dec 1998) |
| safety spectacles | Spectacles which protect against ultraviolet or infrared rays or against mechanical injuries. Synonym: safety spectacles. (05 Mar 2000) |
| Jackson's safety triangle |
see under triangle.
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