[ S ]

• SIL  soluble interleukin; speech interference level; squamous intraepithelial lesion
• SILD  Sequenced Inventory of Language Development
• SIM  selected ion monitoring; small intestine mesentery; Society of Industrial Microbiology; specialized intestinal metaplasia; subscriber identity module [telemedicine]
• SIMA  single internal mammary artery; Stenting vs Internal Mammary Artery for Single Left Anterior Descending Arterial Lesion [trial]
• SIMD  single instruction multiple data
• SIMP  Schmele instrument to measure the process of nursing care; simulation of initial medical problem
• SIMP-C  Schmele instrument to measure the process of nursing care
• SIMP-H  Schmele instrument to measure the process of nursing care in home care
• SIMPLE  symbolic interactive modeling package and learning environment
• SIMS  secondary ion mass spectroscopy; situational information management system
• simul  simultaneously
• SIMV  Simbu virus; synchronized intermittent mandatory ventilation; synchronized intermittent mechanical ventilation
• SIN  salpingitis isthmica nodosa; self-inactivating; Sindbis [virus]
• SINE  short interspersed element [gene coding]
• SIN-FM  Short Indexed Nomenclature- Family Medicine
• SINS  Semi-Structured Intelligent Navigation System
• SINV  Sindbis virus
• SIO  sacroiliac orthosis
• SIOP  International Society of Pediatric Oncology
• SIP  saturation inversion projection; Short Inventory of Problems; Sickness Impact Profile; slow inhibitory potential; stroke in progression; summarized intensity projection [computer-assisted radiography]; surface inductive plethysmography
• SIPA  shear-induced platelet aggregation
• SIPS  Strategy for Intracoronary Ultrasound-guided Percutaneous Transluminal Coronary Angioplasty and Stenting [trial]
• sIPTH  serum immunoreactive parathyroid hormone
• SIQ  Symptom Interpretation Questionnaire
• SIQR  semi-interquartile range
• SIR  short intergenic region; single isomorphous replacement; specific immune release; standardized incidence ratio; stroke index ratio; syndrome of immediate reactivities
• SIRA  Scientific Instrument Research Association
• SIRE  short interspersed repetitive element
• SIREF  specific immune response enhancing factor
• SIRF  severely impaired renal function; significant intrarenal fragments
• SIRIS  sputter-initiated resonance ionization spectroscopy
• SIRS  soluble immune response suppressor; Structured Interview of Reported Symptoms; systemic inflammatory response syndrome
• SiRV  simian rotavirus
• SiRV-SA11  simian rotavirus SA11
• SIS  semantic indexing system; serotonin irritation syndrome; simian sarcoma; simulator-induced syndrome; small intestinal submucosa; social information system; specialized information system; spontaneous interictal spike; sterile injectable solution; sterile injectable suspension; supplemental information seeking; Surgical Infections Society; surgical information system
• SISA  Stenting in Small Arteries [trial]
• SISAMI  Silent Ischemia in Survivors of Acute Myocardial Infarction [study]
• SISCOM  subtraction ictal single proton emission computed tomography coregistered to magnetic resonance imaging [MRI]
• SISH  Stage I Systolic Hypertension in the Elderly [study]
• SISI  short increment sensitivity index
• SISO  single input single output
• SISS  Sentinel Injury Surveillance System [for Gunshot and Stab Wounds]; small inducible secreted substances
• SISTEMI  Southern Italian Study on Thrombolysis Early in Myocardial Infarction
• SISV, SiSV  simian sarcoma virus
• SIT  serum inhibiting titer; sit down; Slosson Intelligence Test; specific immunotherapy; sperm immobilization test; strategic intermittent therapy; suggested immobilization test
• SITHS  Swedish Secure Internet Within Healthcare
• SITS  supraspinatus, infraspinatus, teres minor, subscapularis [shoulder muscles comprising the rotator cuff]
• SIV  simian immunodeficiency virus; Sprague-Dawley-Ivanovas [rat]
• SIV-agm  simian immunodeficiency virus African green monkey
• SIV-agm.3  simian immunodeficiency virus African green monkey 3
• SIV-agm.155  simian immunodeficiency virus African green monkey 155
• SIV-agm.gr  simian immunodeficiency virus African green monkey gr-1
• SIV-agm.sab  simian immunodeficiency virus African green monkey Sab 1
• SIV-agm.tan  simian immunodeficiency virus African green monkey Tan 1
• SIV-agm.TYO  simian immunodeficiency virus African green monkey TYO
• SIV-cpz  simian immunodeficiency virus chimpanzee
• SIV-mac  simian immunodeficiency virus rhesus (Maccaca mulatta)
• SIV-mnd  simian immunodeficiency virus mandrill
• SIV-mne  simian immunodeficiency virus pig-tailed macaque
• SIV-rcm  simian immunodeficiency virus red capped mangabey
• SIV-sm  simian immunodeficiency virus sooty mangabey
• SIV-stm  simian immunodeficiency virus stump-tailed macaque
• SIV-syk  simian immunodeficiency virus Sykes monkey
• SIW  self-inflicted wound
• SIWIP  self-induced water intoxication and psychosis
• SIWIS  self-induced water intoxication and schizophrenic disorders
• S_J  Jaccard coefficient
• SJA  Schwartz-Jampel-Aberfeld [syndrome]
• SJAV  Sandjimba virus
• S_jbO₂  jugular bulb venous oxygen saturation
• SjO₂  jugular vein oxygen saturation
• SJR  Shinowara-Jones-Reinhart [unit]
• SJS  Schwartz-Jampel syndrome; Stevens-Johnson syndrome; stiff joint syndrome; Swyer-James syndrome
• SjS  Sjögren syndrome
• SJV  San Juan virus
• SjVO₂  jugular venous oxygen saturation
• SK  seborrheic keratosis; senile keratosis; Sloan-Kettering [Institute for Cancer Research]; spontaneous killer [cell]; squamous keratin; state of knowledge; streptokinase; swine kidney
• Sk  skin
• SKA  supracondylar knee-ankle [orthosis]
• SKALP  skin-derived antileukoproteinase
• SKAT  Sex Knowledge and Attitude Test
• SKDAMI  Streptokinase plus Desmopressin in Acute Myocardial Infarction [study]
• skel  skeleton, skeletal
• SKHYDIP  Skara Hypertension and Diabetes Project
• SKI  Sloan-Kettering Institute
• SKL  serum killing level
• SkM  skeletal muscle
• SKR  semantic knowledge representation
• SKSD, SK-SD  streptokinase-streptodornase
• SKT  skin temperature
• sk trx  skeletal traction
• SKY  spectral karyotyping
• SL  sarcolemma; scapholunar, scapholunate; sclerosing leukoencephalopathy; secondary leukemia; segment length; sensation level; sensory latency; septal leaflet; short-leg [brace]; Sibley-Lehninger [unit]; signal level; Sinding-Larsen [syndrome]; Sjögren-Larsson [syndrome]; slit lamp; small lymphocyte; sodium lactate; solidified liquid; sound level; SPECIALIST Lexicon [UMLS]; Stein-Leventhal [syndrome]; streptolysin; sublingual; sway length
• S_L  systolic wave, latent
• S/L  sublingual
• Sl  Steel [mouse]
• sl  in a broad sense [Lat. sensu lato]; stemline; sublingual
• SLA  left sacroanterior [fetal position, Lat. sacrolaeva anterior]; single-cell liquid cytotoxic assay; slide latex agglutination; soluble liver antigen; stereo lithography; superficial linear array; surfactant-like activity
• SL_A  segment length, anterior
• SLAC  scapholunate advanced collapse [wrist]
• SLAM  scanning laser acoustic microscope; systemic lupus erythematosus activity measure
• SLAP  serum leucine aminopeptidase; superior labrum anterior to posterior
• SLAT  simultaneous laryngoscopy and abdominal thrusts
• SLB  short-leg brace
• SLBP  stem-loop binding protein
• SLC  short-leg cast
• SLCC  short-leg cylinder cast
• SLCISC  Salt Lake City Information Service Center [VA]
• SLD  scapholunar dissociation; sublethal damage
• SLD, SLDH  serum lactate dehydrogenase
• SLDR  sublethal damage repair
• SLE  slit lamp examination; St. Louis encephalitis; systemic lupus erythematosus
• SLEA  sheep erythrocyte antibody
• SLEDAI  systemic lupus erythematosus disease activity index
• SLEP  short latent evoked potential
• sLex  sialyl Lewis x
• SLEV  St. Louis encephalitis virus
• SLF  steel factor
• SL-GXT  symptom-limited graded exercise test
• SLHR  sex-linked hypophosphatemic rickets
• SLHT  straight line Hough transform
• SLI  selective lymphoid irradiation; somatostatin-like immunoreactivity; specific language impairment; splenic localization index
• SL_I  segment length, inferior
• SLIC  scanning liquid ionization chamber; Scottish Library and Information Council
• SLIDRC  Student Loan Interest Deduction Restoration Coalition
• SLIP  serial line interface protocol; sliding linear investigative platform [for analysis of lower limb stability]
• SLIR  somatostatin-like immunoreactivity
• SLJD  Sinding-Larsen-Johanssen disease
• SLK  superior limbic keratoconjunctivitis
• SLKC  superior limbic keratoconjunctivitis
• SLL  small lymphocytic lymphoma
• SL_L  segment length, lateral
• SLM  sound level meter
• SLMC  spontaneous lymphocyte-mediated cytotoxicity
• SLN  sentinel lymph node; sublentiform nucleus; superior laryngeal nerve; SYBYL line notation
• SLNV  Saintpaulia leaf necrosis virus
• SLNWBC  short-leg nonweightbearing cast
• SLNWC  short-leg nonwalking cast
• SLO  scanning laser ophthalmoscopy; Smith-Lemli-Opitz syndrome; streptolysin O
• SLOS  Smith-Lemli-Opitz syndrome
• S-LOST  sulfur mustard, for Lommel and Steinkopf
• SLP  left sacroposterior [fetal position, Lat. sacrolaeva posterior]; segmental limb systolic pressure; sex-limited protein; single locus probe; short luteal phase; speech language pathologist; subluxation of the patella
• slp  sex-limited protein
• SLPI  salivary leukocyte protease inhibitor; secretory leukocyte protease inhibitor
• SLPP  serum lipophosphoprotein
• SLR  Shwartzman local reaction; single lens reflex; stent-like result; straight leg raising
• SLRROM  shoulder lateral rotation range of motion
• SLRT  straight leg raising test
• SLS  Seattle Longitudinal Study; segment long-spacing; short-leg splint; single leg separation; single limb support; Sjögren-Larsson syndrome; sodium lauryl phosphate; stagnant loop syndrome; Stein-Leventhal syndrome; synthetic lethal screening
• SL_S  segment length, septal
• SLT  left sacrotransverse [fetal position, Lat. sacrolaeva transversa]; single lumen tube; single lung transplantation; smokeless tobacco; solid logic technology
• SLTEC/VTEC  Shigella-like toxin (verotoxin) producing Escherichia coli
• SLUD  salivation, lacrimation, urination, defecation
• SLUDGE  salivation, lacrimation, urination, defecation, gastrointestinal upset, emesis
• SLV  semilatent virus; symptomless virus
• SLVDS  San Luis Valley Diabetes Study
• SLWC  short-leg walking cast
• SM  Master of Science [L. Scientiae Magister]; sadomasochism; segmental mastectomy; self-monitoring; sensitivity matrix; serum; silicon microphysiometer; simple mastectomy; skim milk; smooth muscle; somatomedin; space medicine; sphingomyelin; splenic macrophage; splenomegaly; sports medicine; storage manager [database module]; streptomycin; Strümpell-Marie [syndrome]; submandibular; submaxillary; submucous; suckling mouse; sucrose medium; suction method; sulfomethyl; superior mesenteric; surgical microscope; surrogate mother; sustained medication; symptoms; synaptic membrane; synovial membrane; systolic motion; systolic murmur
• S/M  sadomasochism
• Sm  samarium; Serratia marcescens; Smith [antigen]
• sM  small membrane [protein]; suckling mouse
• sm  smear
• SMA  sequential multichannel autoanalyzer; shape memory alloy; simultaneous multichannel autoanalyzer; smooth muscle antibody; Society for Medical Anthropology; somatomedin A; spinal muscular atrophy; spontaneous motor activity; standard method agar; superior mesenteric artery; supplementary motor area; symptomatic morphologic anomaly
• SM-A  somatomedin A
• SMA-6  Sequential Multiple Analysis for six different serum tests
• SMABF  superior mesenteric artery blood flow
• SMAC  Sequential Multiple Analyzer Computer
• SMAE  superior mesenteric artery embolism
• SMAF  smooth muscle activating factor; specific macrophage arming factor
• SMAG  Special Medical Advisory Group
• SMAL  serum methyl alcohol level
• sm an  small animal
• SMAO  superior mesenteric artery occlusion
• SMAP  systemic mean arterial pressure
• SMART  Self-measurement for Assessment of the Response to Trandolapril [study]; semantic adaptive resonance theory; simultaneous multiple angle reconstruction technique; small volume multiple non-coplanar arc radiotherapy; sperm microaspiration retrieval technique; Study of Medicine vs Angioplasty Reperfusion Trial; Study of Microstent's Ability to Limit Restenosis Trial
• SMARTT  Serum Markers, Acute Myocardial Infarction, and Rapid Treatment Trial
• SMAS  submuscular aponeurotic system; superficial musculo-aponeurotic system; superior mesenteric artery syndrome
• SMASH  Swiss Multicenter Evaluation of Early Angioplasty for Shock [following myocardial infarction]; Sydney Men and Sexual Health [study]
• SMAST  Short Michigan Alcoholism Screening Test
• SMATS  Seek Medical Attention in Time Study
• SMB  selected mucosal biopsy; standard mineral base
• sMb  suckling mouse brain
• SMBFT  small bowel follow-through
• SMBG  self-monitoring of blood glucose
• SMC  Scientific Manpower Commission; smooth muscle cell; somatomedin C; succinylmonocholine; supernumerary marker chromosome; suture-mediated closure
• SM-C, Sm-C  somatomedin C
• SMCA  smooth muscle contracting agent; suckling mouse cataract agent
• SMCC  succininamidyl-4-(N-maleimidomethyl) cyclohexane-1-carboxylate
• SMCD  senile macular choroidal degeneration; systemic mast cell disease; systemic meningococcal disease
• SM-C/IGF  somatomedin C/insulin-like growth factor
• SMCR  Smith-Magenis chromosome region; 5-sulfoxymethylchrysene
• SmCS  smart classification
• SMD  senile macular degeneration; severe mental disorder; spondylometaphyseal dysplasia; submanubrial dullness
• SMDA  Safe Medical Devices Act [of 1990]; starch methylenedianiline
• SMDC  sodium-N-methyl dithiocarbamate; standards for medical device communication
• SMDM  Society for Medical Decision Making
• SMDP  semi-Markov decision process
• SMDS  secondary myelodysplastic syndrome; switched multimegabit data service
• SME  severe myoclonic epilepsy
• SMED  spondylometaphyseal dysplasia

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