Dictionary of Medical Acronyms & Abbreviations

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[ T ]

T₁ | T₂ | T₃ | T₄ | T₅ | T₆ | T₇ |

T absolute temperature; an electrocardiographic wave corresponding to the repolarization of the ventricles [wave]; large T [antigen]; life [time]; period [time]; primary tumor [TNM (tumor-node-metastasis) classification: T0 no evidence of primary tumor, T1 to T4 tumors in progressing sizes, and TX no evidence of primary tumor]; ribosylthymine; tablespoonful; Taenia; tamoxifen; telomere or terminal banding; temperature; temporal electrode placement in electroencephalography; temporary; tenderness; tension [intraocular]; tera- [trillion]; tesla; testosterone; tetra; tetracycline; theophylline; therapy; thoracic; thorax; threatened [animal]; threonine; thrombosis; thrombus; thymidine; thymine; thymus [cell]; thymus-derived; thyroid; tidal gas; tidal volume; time; timed [device]; tincture; tissue; tocopherol; topical; torque; total; toxicity; training [group]; transition; transducer; transmittance; transverse; treatment; Treponema; triangulation number; Trichophyton; triggered [pacemaker]; tritium; tryptamine; Trypanosoma; tuberculin; tuberculosis; tumor; turnkey system; type
T- tera- [10¹²]
T0 no evidence of primary tumor [TNM (tumor-node-metastasis) classification]
T_1/2 half-life
T1 breast tumor smaller than 2 cm [TNM (tumor-node-metastasis) classification]; longitudinal relaxation time
T-1, T-2, T-3 first, second, and third stages of decreased intraocular tension
T₁ spin-lattice or longitudinal relaxation time; time at the beginning of inspiration; tricuspid first sound; tricuspid valve closure sound
T + 1, T + 2, T + 3 first, second, and third stages of increased intraocular tension
T1-4 presence of tumors progressing in size, number, and penetration [TNM (tumor-node-metastasis) classification]
T1-T12 first to twelfth thoracic vertebrae
T2 breast tumor 2.0 to 5.0 cm [TNM (tumor-node-metastasis) classification]; transverse relaxation time
T₂ diiodothyronine; spin-spin or transverse relaxation time
T2*, T₂* effective transverse relaxation time
2,4,5-T 2,4,5-trichlorophenoxyacetic acid
T3 breast tumor larger than 5.0 cm [TNM (tumor-node-metastasis) classification]
T₃ triiodothyronine
T4 breast tumor of any size with extension to chest wall and skin [TNM (tumor-node-metastasis) classification]
T₄ thyroxine
T-7 free thyroxine factor
T₉₀ time required for 90% mortality in a population of microorganisms exposed to a toxic agent
t duration; small T [antigen]; Student t test; teaspoonful; temperature; temporal; terminal; tertiary; test of significance; three times [Lat. ter]; time; tissue; tonne; transformer; translocation
t t value from t distribution [statistics]
t´ time after infusion
t_1/2 half-life
t₂ time at the end of inspiration
τ see tau
Θ see theta
θ see theta
TA alkaline tuberculin; arterial tension; axillary temperature; tactile afferent; Takayasu arteritis; technology assessment; teichoic acid; temporal abstraction; temporal arteritis; terminal antrum; therapeutic abortion; thermophilic Actinomyces; thymocytotoxic autoantibody; thyroarytenoid; thyroglobulin autoprecipitation; thyroid antibody; thyroid autoimmunity; tibialis anterior [muscle]; tissue adhesive; titratable acid; total alkaloids; total antibody; toxic adenoma; toxin-antitoxin; traffic accident; transactional analysis; transaldolase; transaminase; transantral; transplantation antigen; transposition of aorta; trapped air; triamcinolone acetonide; tricuspid atresia; trophoblast antigen; true anomaly; truncus arteriosus; tryptamine; tryptose agar; tube agglutination; tumor-associated; typical absences
T-A toxin-antitoxin; transfusion-associated
T&A tonsillectomy and adenoidectomy; tonsils and adenoids
T/A time and amount
TA-4 tumor-associated antigen 4
Ta tantalum; tarsal
T1a breast tumor 0.1 to 0.5 cm [TNM (tumor-node-metastasis) classification]
T4a breast tumor with extension to chest wall [TNM (tumor-node-metastasis) classification]
t_α t value corresponding to specified tail area α [statistics]
TAA thioacetamide; thoracic aortic aneurysm; total ankle arthroplasty; transverse aortic arch; tumor-associated antigen
TAAF thromboplastic activity of the amniotic fluid
TA-AIDS transfusion-associated acquired immunodeficiency syndrome
TAB tape-automated bonding; total autonomic blockage; typhoid, paratyphoid A, and paratyphoid B [vaccine]
TAb therapeutic abortion
tab tablet
TABC total aerobic bacteria count; typhoid, paratyphoid A, paratyphoid B, and paratyphoid C [vaccine]
TABP type A behavior pattern
Tabs tablets
T_abs absorption time
TABT typhoid, paratyphoid A, paratyphoid B, and tetanus toxoid [vaccine]
TABTD typhoid, paratyphoid A, paratyphoid B, tetanus toxoid, and diphtheria toxoid [vaccine]
TABV Tamana bat virus
TAC tachykinin; terminal antrum contraction; tetracaine, adrenalin, and cocaine; time-activity curve; total abdominal colectomy; total aganglionosis coli; total allergen content; transient aplastic crisis; triamcinolone cream; truncus arteriosus communis
TAC-1 tachykinin-1
TAC-2 tachykinin-2
TACC thoracic aorta cross-clamping
TACE chlorotrianicene; teichoic acid crude extract; transarterial chemoembolization; tumor-necrosis factor alpha converting enzyme
tachy tachycardia
TACIP Triflusal, Aspirin, Cerebral Infarction Prevention [study]
TACR tachykinin receptor
TACS Thrombolysis and Angioplasty in Cardiogenic Shock [study]
TACSV Triticum aestivum chlorotic spot virus
TACT thermoacoustic computed tomography; Ticlopidine Angioplasty Coronary Trial; Ticlopidine vs Placebo for Prevention of Acute Closure After Angioplasty Trial; tuned aperture computed tomography
TACTICS Thrombolysis and Counterpulsation to Improve Cardiogenic Shock Survival [trial]
TACTICS-TIMI 18 Treat Angina with Aggrastat and Determine Cost of Therapy with an Invasive or Conservative Strategy- Thrombolysis in Myocardial Infarction [trial]
TAD test of auditory discrimination; thoracic asphyxiant dystrophy; tobacco, alcohol, and drugs; Traffic Accident Deformity [scale]; transactivation domain; transient acantholytic dermatosis
TADAC therapeutic abortion, dilatation, aspiration, curettage
TAdV Turkey adenovirus
TADv 1, 2 Turkey adenovirus 1, 2
TAE transcatheter arterial embolism; triacetate ethylenediamine tetraacetic acid [EDTA]
TAF albumose-free tuberculin [Ger. Tuberculin Albumose frei]; tissue angiogenesis factor; total abdominal fat; toxin-antitoxin floccules; toxoid-antitoxin floccules; tracheobronchial aspiration fluid; transcriptional activation factor [genetics]; trypsin-aldehyde-fuchsin; tumor angiogenesis factor
TAFU tumor abrasion with focused ultrasound
TAG target attaching globulin; technical advisory group; thymine, adenine, and guanine
TAg large T-antigen
Tag T-antigen
TAGH triiodothyronine, amino acids, glucagon, and heparin
TAGV Taggert virus
TAGVHD transfusion-associated graft-versus-host disease
TAH total abdominal hysterectomy; total artificial heart
TAH BSO total abdominal hysterectomy and bilateral salpingo-oophorectomy
TAHIV transfusion-acquired human immunodeficiency virus [HIV]
TAHSC Toronto Academic Health Science Council
TAHV Tahyna virus
TAI Test Anxiety Inventory
TAIAV Taiassui virus
TAIM Trial of Antihypertensive Intervention and Management
TAIS time assessment interview schedule
TAIST Tinzaparin in Acute Stroke Trial
TAIV Tai virus
TAL T-cell acute leukemia; tendon of Achilles lengthening; thick ascending limb [of Henle's loop]; thymic alymphoplasia; total arm length; tumor-associated lymphocyte
talc talcum
TALH thick ascending limb of Henle's loop
TALL theoretical annual loss of life
TALL, T-ALL T-cell acute lymphoblastic leukemia
TALLA T-cell acute lymphoblastic leukemia antigen
TAM tamoxifen; technological acceptance model; technology acceptance model; technology assessment method; teen-age mother; tele-alarm management; thermoacidurans agar modified; thymidine analog mutation; time-averaged mean; total active motion; Total Atherosclerosis Management [study]; toxin-antitoxoid mixture; transient abnormal myelopoiesis
TAME N-alpha-tosyl-1-arginine methyl ester
TAMI Thrombolysis and Angioplasty in Myocardial Infarction [study]; transmural anterior myocardial infarction
TAMIS Telemetric Automated Microbial Identification System
TamMV Tamarillo mosaic virus
TAMRA tetramethylrhodamine
TAMV Tamiami virus; temporal average maximal velocity [Doppler]
TAN total adenine nucleotide; total ammonia nitrogen
tan tandem translocation; tangent
TANet Taiwan Network
TANI total axial [lymph] node irradiation
TANV Tanapox virus; Tanga virus
TAO thromboangiitis obliterans; triacetyloleandomycin
TAP technology architecture project; tick anticoagulant peptide; total access plus [computer-based system]; toxicological agent protection or protective; transesophageal atrial pacing; transluminal angioplasty; transmembrane action potential; transporter in antigen processing; trypsinogen-activating peptide
TAPA target of antiproliferative antibody
TAPE temporary atrial pacemaker electrode
TAPIRSS Triflusal vs Aspirin in Preventing Infarction: Randomized Stroke Study
TAPS The Akita Pathology Study; Teenage Attitude and Practices Study; trial assessment procedure scale
TAPVC total anomalous pulmonary venous connection
TAPVD total anomalous pulmonary venous drainage
TAPVR total anomalous pulmonary venous return
Taq Thermus aquaticus
taq DNA Thermus aquaticus deoxyribonucleic acid [DNA]
TAQW transient abnormal Q wave
TAR thoracic aortic rupture; thrombocytopenia with absent radii [syndrome]; tissue-air ratio; total abortion rate; trans-activation response; transanal resection; transaxillary resection; treatment authorization request
TARA total articular replacement arthroplasty; tumor-associated rejection antigen
TARGET Do Tirofiban and ReoPro Give Similar Efficacy Outcomes Trial
TARP total atrial refractory period
TAR/PD target nursing hours per patient/day
TARS threonyl transfer ribonucleic acid [RNA] synthetase
TAS tetanus antitoxin serum; therapeutic activities specialist; thoracoabdominal syndrome; transcription-based amplification system; traumatic apallic syndrome
TASA tumor-associated surface antigen
TASC tele-archive service center [imaging]; time-accumulating sub-surface contaminant; Trial of Angioplasty and Stents in Canada
Tase tryptophan synthetase
TASH Transcoronary Ablation of Septum Hypertrophy [study]
TASMAN Thrombolysis Anticoagulant Study: Mediterranean, Australia, New Zealand
TASO The Acquired Immunodeficiency Syndrome [AIDS] Support Organisation [Australia]
TASS thyrotoxicosis-Addison disease-Sjögren syndrome-sarcoidosis [syndrome]; Ticlopidine Aspirin Stroke Study
TASTE Ticlopidine Aspirin Stent Evaluation
TAstV Turkey astrovirus
TAT tandem autotransplantation; tetanus antitoxin; thematic apperception test; thematic aptitude test; thrombin-antithrombin complex; thromboplastin activation test; total adipose tissue; total antitryptic activity; toxin-antitoxin; transactivator; transaxial tomography; transplantation-associated thrombocytopenia; tray agglutination test; Treponema antibody test; tumor activity test; turnaround time; twin arginine translocation; tyrosine aminotransferase
TATA Pribnow [box]; tumor-associated transplantation antigen
TATD tyrosine aminotransferase deficiency
TATI tumor-associated trypsin inhibitor
TATR tyrosine aminotransferase regulator
TATRC Telemedicine and Advanced Technology Research Center
TATST tetanus antitoxin skin test
TATV Tataguine virus
τ Greek lowercase letter tau; life [of radioisotope]; relaxation time; shear stress; spectral transmittance; transmission coefficient
TAUSA Thrombolysis and Angioplasty in Unstable Angina [trial]
TAV transcutaneous aortovelography; trapped air volume
TaV Thosea asigna virus
TAVB total atrioventricular block
TAX Taxol
TB Taussig-Bing [syndrome]; terabyte; term birth; terminal bronchiole; terminal bronchus; thromboxane B; thymol blue; tissue bank; toluidine blue; total base; total bilirubin; total body; tracheobronchial; tracheal bronchiolar [region]; tracheobronchitis; trapezoid body; tub bath; triple [gene] block; tubercle bacillus; tuberculin; tuberculosis; tumor bank; tumor-bearing
T_B total buffer
TB⁺ tuberculosis positive
TB^- tuberculosis negative
Tb Tbilisi [phage]; terabit [trillion bits]; terbium; tubercle bacillus; tuberculosis
T_b biological half-life; body temperature
T1b breast tumor 0.5 to 1.0 cm [TNM (tumor-node-metastasis) classification]
T4b breast tumor with edema (including peau d'orange) or skin ulceration or satellite nodules [TNM (tumor-node-metastasis) classification]
tb tuberculosis
TBA target [hospital] bed occupation; tertiary butylacetate; testosterone-binding affinity; tetrabutylammonium; thiobarbituric acid; to be absorbed; to be added; total bile acids; trypsin-binding activity; tubercle bacillus; tumor-bearing animal
TBAB tryptose blood agar base
TBAF tetrabutylammonium fluoride
TBAN transbronchial aspiration needle
TBARS thiobarbituric acid reactive substance
TBB transbronchial biopsy
TBBA total body bone ash
TBBM total body bone minerals
TBBx transbronchial biopsy
TBC thyroxine-binding coagulin; total body calcium; total body carbon; total body clearance; tuberculosis
Tbc tubercle bacillus; tuberculosis
TBCa total body calcium
TBCl total body chlorine
TBD total body density; Toxicology Data Base
TBE tick-borne encephalitis; triborate ethylenediamine tetraacetic acid [EDTA]; tris-borate ethylenediamine tetraacetic acid [EDTA]; tuberculin bacillin emulsion
TBEV tick-borne encephalitis virus
TBF total body fat
TBFB tracheobronchial foreign body
TBFM total body fat mass
TBFVL tidal breathing flow-volume loops
TBG beta-thromboglobulin; testosterone-binding globulin; thyroglobulin; thyroid-binding globulin; thyroxine-binding globulin; tracheobronchography; tris-buffered Gey solution
TBGI thyroxine-binding globulin index
TBGP total blood granulocyte pool
TBH total body hematocrit
tBHP terbutyl hydroperoxide
TBHQ tertiary butylhydroquinone
TBHT total-body hyperthermia
TBI thyroid-binding index; thyroxine-binding index; tooth-brushing instruction; total-body irradiation; traumatic brain injury
TBII thyroid-stimulating hormone-binding inhibitory immunoglobulin
TBil, T bili total bilirubin
TBIM thoracic bioimpedance monitoring
TBK total body potassium
tbl tablet
TBLB transbronchial lung biopsy
TBLC term birth, living child
TBLI term birth, living infant
TBLTM total body lean tissue mass
TBM thrombomodulin; total body mass; tracheobronchiomegaly; trophoblastic basement membrane; tuberculous meningitis; tubular basement membrane
TBMC total body mineral content
TBMN thin basement membrane nephropathy
TBN bacillus emulsion; temporal belief network; total body nitrogen
Tb.N trabecular number
TBNA total body neutron activation; transbronchial needle aspiration; treated but not admitted