| SMA | sequential multiple analysis or analyzer; sequential multichannel autoanalyzer; simultaneous multich... |
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| SMABF | superior mesenteric artery blood flow |
| SMAE | superior mesenteric artery embolism |
| SMAO | superior mesenteric artery occlusion |
| SMAS | submuscular aponeurotic system; superficial musculo-aponeurotic system; superior mesenteric artery s... |
| auricular surface of ilium | The irregular, L-shaped articular surface on the medial aspect of the ilium that articulates with the sacrum. Synonym: facies auricularis ossis ilii. (05 Mar 2000) |
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| auricular surface of sacrum | The rough articular surface on the lateral aspect of the sacrum that articulates with the ilium on each side. Synonym: facies auricularis ossis sacri. (05 Mar 2000) |
| axial surface | The surface of a tooth parallel with its long axis; the axial surface's are the vestibular (labial or buccal), lingual, and contact (mesial or distal). (05 Mar 2000) |
| balancing occlusal surface | The contact's between upper and lower dentures on the balancing or mediotrusive side for the purpose of stabilizing the dentures, the contact's between upper and lower dentures at the opposite side from the working or laterotrusive side (anteroposteriorly or laterally) for the purpose of stabilizing the dentures, the contact's between upper and lower natural or artificial teeth at the opposite side from the working or laterotrusive side. Synonym: balancing occlusal surface. (05 Mar 2000) |
| basal surface | The surface of the denture of which the detail is determined by the impression and which rests upon the basal seat. (05 Mar 2000) |
| body surface potential mapping | Recording of regional electrophysiological information by analysis of surface potentials to give a complete picture of the effects of the currents from the heart on the body surface. It has been applied to the diagnosis of old inferior myocardial infarction, localization of the bypass pathway in wolff-parkinson-white syndrome, recognition of ventricular hypertrophy, estimation of the size of a myocardial infarct, and the effects of different interventions designed to reduce infarct size. The limiting factor at present is the complexity of the recording and analysis, which requires 100 or more electrodes, sophisticated instrumentation, and dedicated personnel. (12 Dec 1998) |
| buccal surface | The mucosa of the cheek, in prosthodontics, the side of a denture adjacent to the cheek. Synonym: vestibular surface of tooth. (05 Mar 2000) |
| Calculus Surface Index | An index that measures only dental calculus, used for evaluating new calculus formation within a large group of test subjects. (05 Mar 2000) |
| radiation damage, surface | <radiobiology> General term describing damage to the surface of the containment structure which directly interfaces with the thermonuclear plasma, includes such phenomena as radiation blistering, charged-particle (or neutron) sputtering, and spallation or exfoliation of layers of the surface. (09 Oct 1997) |
| palatine surface of horizontal plate of palatine bone | The inferior surface of the horizontal plate of the palatine bone. Synonym: facies palatina laminae horizontalis ossis palatini. (05 Mar 2000) |
| variable surface glycoprotein | <protein> One of a battery of antigenicdeterminants expressed by a microorganism to elude immune detection. (09 Oct 1997) |
| variant surface glycoproteins, trypanosoma | Glycoproteins attached to the surface coat of the trypanosome. Many of these glycoproteins show amino acid sequence diversity expressed as antigenic variations. This continuous development of antigenically distinct variants in the course of infection ensures that some trypanosomes always survive the development of immune response to propagate the infection. (12 Dec 1998) |
| palmar surface | The palm or grasping side of the hand. (12 Dec 1998) |
| palmar surface of fingers | The flat of the fingers; the flexor or anterior surface of the fingers. Synonym: facies digitalis ventralis, facies digitalis palmaris, ventral surface of digit. (05 Mar 2000) |
| gastric surface of spleen | The surface of the spleen in contact with the stomach. Synonym: facies gastrica splenis. (05 Mar 2000) |