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Entry words starting with 'S'

S distortion S/N Saddle coil Saddle-shaped coil Safelight Safety film Sagittal Salt screen samarium (Sm)Sample-and-hold unit Sample aperture Sample volume Sampling distance Sampling frequency Sampling rate Sar Saticon Saturated proton Saturation Saturation pulse Saturation recovery Saturation recovery pulse sequence Saturation transfer Saturation voltage Scalar quantity Scaling circuit Scan angle Scan arc Scan conversion memory tube Scan converter Scan equalization radiography (SER)Scan line Scan projection radiography Scan speed Scanned field of view Scanned projection digital radiography Scanning equalization radiography (SER)Scanning geometry Scanogram Scatter Scatter suppression Scatter to primary ratio Scattered radiation Scatterer Scattering Scattering absorption coefficient Scattering angle Scattering cross-section Scattering factor Scintillation Scintillation camera Scintillation counter Scintillation crystal Scintillation detector Scorotron Scout film Scout view Scr Screen Screen efficiency Screen-film system Screen mottle Screen speed Screen-type film Screen unsharpness Screening Screening constant Se Sech pulse Second generation ct scanner Second-order correction Secondary electron Secondary ionization Secondary quantum sink Secondary radiation Secondary radiation grid Secondary switching Section-select gradient Sector array Secular equilibrium Segmentation Segmented data acquisition Segmented echo-planar imaging Segmented reconstruction Segmented turboflash Seldinger technique Selectan-neutral Selective arterial catheterization Selective excitation Selective irradiation Selenium plate selenium (Se)Self-absorption Self-protected tube Self quenching Self-rectification Self-rectifying tube Self-refocusing pulse Semiconductor Semiconductor detector Sensitive line Sensitive plane Sensitive point Sensitive point imaging Sensitive volume Sensitivity Sensitivity speck Sensitometric curve Sensitometry Sequence time Sequential line imaging Sequential plane imaging Sequential point imaging Ser Serial changer Serial radiography Shade of grey Shadowing artefact Shannon's sampling theorem Shaped pulse Sharpness Shear rate Shear stress Shear wave Shell Shield Shielded gradient coil Shielding Shielding constant Shim coil Shimming Shock-proof Shock-proof cable Shock-proof tube Sholkoff catheter Short Short minimum angle shot (smash)Short-scale contrast Short tau inversion recovery pulse sequence (stir)Sialography Side lobe Side lobe artefact Sideband sievert (Sv)Signal Signal averaging Signal intensity Signal-to-clutter ratio Signal-to-noise ratio (SNR)Silicon-controlled rectifier (SCR)Silicon rectifier Silver halide Silver iodobromide grain Simpson atherectomy catheter Simultaneous iterative reconstruction technique (sirt)Simultaneous volume imaging sinc function Sinc pulse Sine function Sinerem Single channel analyser Single-contrast barium enema Single emulsion film Single exposure chart Single-level dynamic scanning Single phase x-ray generator Single photon absorptiometry single photon emission computed tomography (SPECT)single photon emission tomography (SPET)Single point mr imaging Single probe counting system Single range-gate system Single-shot echo-planar imaging Single-shot mr imaging Single-slice acquisition Single-voxel mr spectroscopy Singular value decomposition (SVD) encoding Sinogram Sinography Sinus arrhythmia Sinusoidal readout gradient Six-valve circuit Sixth generation ct scanner Skiagraph Skin depth Slew rate Slice Slice definition Slice direction Slice position Slice profile Slice profile artefact Slice rephasing gradient Slice select gradient Slice selection Slice thickness Slip-ring technology Slit camera Slit radiography Slotted resonator coil Slow neutron Slow scan mode Small bowel enema Small bowel follow-through examination small particle iron oxides (SPIO)Small tip angle (stage)Smash Smoothing Smoothing unsharpness Snapshot flash Snapshot sequence Snell's law Snr Sodium-23 mr imaging Sodium-23 mr spectroscopy Sodium iodide detector Sodium iodide scintillator Sodium iodide well counter Sodium iopodate Sodium mr spectroscopy sodium (Na)Sodium perchlorate Sodium pertechnetate Sodium sulfite Sodium tyropanoate Soft radiation Soft tissue radiography Solarization Solenoid coil Solid Solid-state autotimer Solid-state detector Solu-biloptin Solutrast Sonavist Sonazoid Sonoelasticity imaging Sonovue Sound Sound spectrogram Sound wave Source Source material Source strength Source-to-film distance Space charge Space charge effect Spallation Spamm Spatial average intensity Spatial average pulse average intensity (SAPA)Spatial average temporal average intensity (SATA)Spatial distortion Spatial domain filtering Spatial encoding Spatial filtering Spatial frequency Spatial misregistration artefact Spatial modulation technique Spatial peak intensity Spatial peak pulse average intensity (SPPA)Spatial peak temporal average intensity Spatial peak temporal peak intensity (SPTP)Spatial presaturation Spatial pulse length Spatial resolution Spatial sampling aperture Specific absorption rate (SAR)Specific acoustic impedance Specific activity Specific gamma ray constant Specific ionization Specific strength Specificity Speckle decorrelation Speckle tracking SPECT/CT Spect imaging Spectral analysis Spectral broadening Spectral display Spectral doppler Spectral estimator display Spectral resolution Spectrometer Spectroscopic mr imaging Spectroscopy Spectrum Spectrum analyser Specular density Specular reflection Speed artefact Speed class Speed image Speed of sound Spgr Spin Spin - spin coupling Spin - spin relaxation Spin - spin relaxation time t2 Spin angular momentum Spin density Spin density image Spin dephasing Spin-down Spin-echo echo-planar imaging (se-epi)Spin echo imaging Spin-echo pulse sequence Spin echo (SE)Spin isochromat Spin-lattice relaxation Spin-lattice relaxation time Spin locking Spin-pairing Spin-phase effect Spin quantum number Spin tagging Spin-up Spin-warp imaging Spinal angiography Spinal arteriography Spio Spiral ct scanner Spiral k-space trajectory Spiral mr imaging Spiral scanning Splenic arteriography Splenic biopsy Splenic portography Splenoportography Split image artefact Spoiled flash Spoiled gradient echo imaging Spoiled gradient-echo sequence (sp-gre)Spoiled grass (spgr)Spoiler gradient Spongiosography Spot film Spot film camera Spot film recorder Spurious count Square pulse Squid Sr Ssfp Stabilizer Stable isotope Stage STAGE:T1w Star pattern test Static b-scanner Static magnetic field Static mark Stationary anode Stationary grid Statistical noise Steady-state free precession (ssfp)Steady-state gradient-echo imaging Steady-state gradient-echo sequence (ss-gre)Steady-state technique with refocused fid (sterf)Steam Steered array Stejskal - Tanner sequence Stent Stent graft Stenting Step and shoot technique Step-down transformer Step-up transformer Step-wedge Step-wedge penetrameter Stereo radiography Stereofluoroscopy Stereogram Stereography Stereograticule Stereoscopic radiography Stereoscopy Sterf Stimulated acoustic emission Stimulated echo Stir Stochastic effect Stochastic noise Stochastic process Stop bath Stopping power Storage capacity Storage medium Storage phosphor imaging plate Strain Strain imaging Strain rate Strain rate imaging Stratigraphy Stray field Streak artefact Strecker stent Strip penetrameter Strong force strontium (Sr)Structure mottle Structured noise Subclavian arteriography Subclavian vein phlebography Subcritical reactor Subharmonic Subject contrast Subject range Subjective contrast Subtraction Subtraction film Sulphur colloid Summation method Sump drainage catheter Super-selective arterial catheterization Supercoating Supercon Superconducting quantum interference device (squid)Superconductive magnet Superconductor Supercritical reactor Superheterodyne demodulation Superior mesenteric arteriography Superior vena cavography Superparamagnetic contrast medium Superparamagnetic iron oxide Superparamagnetism Suprapubic bladder puncture Suprasellar cisternography Surface coil Surface coil artefact Surface dose Surface reconstruction Surface rendering Surface wave Survey meter Susceptibility Susceptibility artefact Susceptibility contrast medium Sv Svd encoding Swanganz catheter Swept gain Switch valve Synchro-cyclotron Synchronizing pulse Synchrotron Synthetic aperture System geometry System noise Systematic noise Systolic acceleration Systolic acceleration time (SAT)Systolic/diastolic (S/D) ratio

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