| ISA | Instrument Society of America; intracarotid sodium amytal; intrinsic simulating activity; intrinsic ... |
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| R' | in electrocardiography, the second positive deflection during the QRS complex |
| IF | 1) Immuno-Fluorescence 2) Intrinsic Factor |
| ISA | 1) Intrinsic Sympathomimetic Activity 2) Industrial Standard Architecture... |
| CIT | citrate; combined intermittent therapy; conjugated-immunoglobulin technique; crossed intrinsic trans... |
| IF | Intrinsic Factor |
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| IHR | Intrinsic heart rate |
| IOS | Intrinsic optical signal |
| ISD | Intrinsic sphincter deficiency |
| ISA | Intrinsic sympathomimetic activity |
| intrinsic deflection | <physiology> With the electrode in direct contact with the muscle fibre, a rapid downward deflection from the peak of maximum positivity, signifying that the activation front has reached the subjacent muscle. (05 Mar 2000) |
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| deflection | 1. The act of turning aside, or state of being turned aside; a turning from a right line or proper course; a bending, especially. Downward; deviation. "The other leads to the same point, through certain deflections." (Lowth) 2. The deviation of a shot or ball from its true course. 3. <optics> A deviation of the rays of light toward the surface of an opaque body; inflection; diffraction. 4. <engineering> The bending which a beam or girder undergoes from its own weight or by reason of a load. Origin: L. Deflexio, fr. Deflectere: cf. F. Deflexion. Source: Websters Dictionary (01 Mar 1998) |
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| deflection coils | <microscopy> The electromagnetic coils that steer the electron beam in a cathode-ray tube or image pickup tube, for example, in a raster scan (05 Aug 1998) |
| intrinsicoid deflection | The abrupt downstroke from maximum positivity when the electrode is placed not directly on the muscle but at a distance, as in the unipolar chest leads in clinical electrocardiography. (05 Mar 2000) |
| major intrinsic protein | <protein> Family of structurally related proteins with 6 transmembrane segments, associated with gap junctions or vacuoles. MIP is found in lens fibre gap junctions. Other members: nodulin 26 (soybean), tonoplast intrinsic protein (TIP) found in plant storage vacuoles, Drosophila neurogenic protein big brain. (18 Nov 1997) |
| Castle's intrinsic factor | A mucoprotein normally secreted by the epithelium of the stomach and that binds vitamin B12, the intrinsic factor/B12 complex is selectively absorbed by the distal ileum, though only the vitamin is taken into the cell. (18 Nov 1997) |
| vitamin B12 with intrinsic factor concentrate | A combination of vitamin B12 with suitable preparations of the mucosa of the stomach or intestine of domestic animals used for food by humans. (05 Mar 2000) |
| positive-pressure respiration, intrinsic | Non-therapeutic positive end-expiratory pressure occurring frequently in patients with severe airway obstruction. It can appear with or without the administration of external positive end-expiratory pressure (positive-pressure respiration). It presents an important load on the inspiratory muscles which are operating at a mechanical disadvantage due to hyperinflation. Auto-peep may cause profound hypotension that should be treated by intravascular volume expansion, increasing the time for expiration, and/or changing from assist mode to intermittent mandatory ventilation mode. (12 Dec 1998) |
| intrinsic | Situated entirely within or pertaining exclusively to a part. Origin: L. Intrinsecus = situated on the inside (18 Nov 1997) |
| intrinsic asthma | <chest medicine> Bronchial asthma in which no extrinsic causes can be identified, and which is assumed to be due to an endogenous process, possibly allergic. (05 Mar 2000) |
| intrinsic colour | <dentistry> The addition of colour pigment within the material of a dental prosthesis. (05 Mar 2000) |
| intrinsic dysmenorrhoea | <gynaecology> Painful menses due to a functional disturbance and not due to organic factors such as growths, inflammation or anatomy. (27 Sep 1997) |
| intrinsic factor | A mucoprotein normally secreted by the epithelium of the stomach and that binds vitamin B12, the intrinsic factor/B12 complex is selectively absorbed by the distal ileum, though only the vitamin is taken into the cell. (18 Nov 1997) |
| intrinsic fibres | Nerve fibre's interconnecting subdivisions of the cerebral cortex of the same hemisphere or different segments of the spinal cord on the same side. Synonym: endogenous fibres, intrinsic fibres. (05 Mar 2000) |
| intrinsic motivation | Derivation of personal satisfaction through self-initiated achievement and behaviour. (05 Mar 2000) |
| intrinsic muscles | Muscles fully contained (origin, belly, and insertion) within the structure under consideration. For example, the interossei and lumbrical muscles are intrinsic muscles of the hand. (05 Mar 2000) |
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