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Medical Word Parts For: t

Word PartDefinitionCategory
t waveThe positive deflection after each QRS complex. It indicates ventricular repolarization.Cardiovascular
t.i.d.three times a day
t.i.n.three times a night
T3triiodothyronine endocrine
T4thyroxine endocrine
tachycardiaAbnormally rapid heartbeat, usually over 100 beats per minute for adults. Tachycardia accompanied by an irregular rhythm is called tachyarrhythmia. Cardiovascular
tachypneaAbnormally rapid breathing rate.Respiratory
TAHtotal abdominal hysterectomy reproductive
tal/otalus, ankleskeletal
talcFinely powdered magnesium silicate used as a dusting powder.General
talusThe second largest of the tarsal bones, articulating with the tibia and fibula to form the ankle joint. Skeletal
tamponsPlugs or cylinders made of cotton, sponge, or other absorbent material used in surgery to absorb fluids. General
tarlov cystsPerineurial cysts commonly found in the sacral region.General
tars/otarsal bone (ankle), edge of eyelidskeletal
tarsalPertaining to the bones of the ankle and foot.Skeletal
tarsal bonesThe seven bones which form the tarsus: calcaneus, talus, cuboid, navicular, and the internal, middle, and external cuneiforms. Skeletal
tarsal jointsThe articulations between the various tarsal bones. Skeletal
tarsalgiaPain in the foot.skeletal
tarsorrhaphyJoining of part or all of the upper and lower eyelids so as to partially or completely close the eye. eyes and ears
tarsusThe bones of the ankle and proximal part of the foot.Skeletal
tasteThe sense of perceiving different flavors in soluble substances that contact the tongue and trigger nerve impulses to special taste centers in the cortex and the thalamus of the brain. The four basic traditional tastes are sweet, salty, sour and bitter.General
taste budsSmall sensory organs which contain gustatory receptor cells, basal cells and supporting cells. Taste buds in humans are found in the epithelia of the tongue, palate, and pharynx. General
TATtetanus antitoxinlymphatic
tax/oorder, coordinationmuscular
-taxiaordering, arrangementnervous
taxisReturning a body part back to its normal position after a dislocation, fracture or hernia.Skeletal
TBVtotal blood volumecardiovascular
TDMtherapeutic drug monitoring
tearsThe fluid secreted by the lacrimal glands. This fluid moistens the conjunctiva and cornea.Eyes And Ears
techn/oskill, artgeneral
tectorial membraneA membrane, present in the cochlea of the inner ear, that runs parallel with the basilar membrane. Eyes And Ears
tectospinalDenoting nerve fibers passing from the mesencephalic tectum to the spinal cord.Nervous
tectumA roof-like structure of the midbrain.General
tel/ocomplete, enddirectional
telaAny thin web like structure or tissue.General
tele/odistance, endgeneral
telemedicineDelivery of health services via remote communications. This includes interactive consultative and diagnostic services. General
telencephalonThe anterior subdivision of the prosencephalon which develops into the olfactory bulbs, cerebral cortex and basal ganglia.Nervous
telomereThe end of a chromosome, which is involved in chromosomal replication and stability.General
telophaseThe final phase of mitosis.General
temperatureThe sensible intensity of heat of any substance.General
temporal arteriesArteries arising from the external carotid or the maxillary artery and distributing to the temporal region. Cardiovascular
temporal boneEither of a pair of compound bones forming the lateral surfaces and base of the skull which contains the organs of hearing.Skeletal
temporal lobeOne of the main divisions of the cerebral cortex in each hemisphere of the brain, responsible for auditory, olfactory, and semantic processing.Nervous
TENtoxic epidermal necrolysis integumentary
tenaculumA surgical instrument for lifting and holding tissue or a body part.General
tendinitisInflammation of a tendon.Skeletal
tendinosisDegeneration of a tendon.Skeletal
tendinousRelating to tendons.muscular
tendonA strap of white fibrous connective tissue that joins muscle to bone.Skeletal
tenesmusA straining but ineffective attempt to urinate or defecate.Digestive
tennis elbowA condition characterized by pain in or near the lateral humeral epicondyle or in the forearm extensor muscle mass as a result of unusual strain. Skeletal
tenodesisFixation of the end of a tendon to a bone, often by suturing. Skeletal
tenoplastySurgical repair of a tendon.Skeletal
tenosynovitisInflammation of the synovial lining of a tendon sheath. Skeletal
tenotomySurgical division of a tendon for relief of a congenital deformity of a joint.Skeletal
TENStranscutaneous electrical nerve stimulation nervous
-tensionstretched, strainedcardiovascular
tensorAny muscle that causes stretching or tension of a body part.Muscular
tephr/ogray, ash-colorednervous
terat/omonster, monstrositygeneral
teratologyA branch of embryology for the study of congenital malformations and developmental abnormalities. Reproductive
teratomaA true neoplasm composed of different types of tissue, none of which is normally found the area in which the neoplasm occurs. General
term birthchildbirth at the end of a normal duration of pregnancy, between 37 to 40 weeks of gestation.Reproductive
testicleThe testis and its ducts.Reproductive
testisEither of the two male gonads located in the cavity of the scrotum.Reproductive
testosteroneA hormone produced by the testicles. Responsible for maintaining muscle mass, bone density and sex drive.endocrine
TETtetralogy of Fallotcardiovascular
tetanusAn acute, potentially fatal infection of the central nervous system caused by a powerful protein toxin produced by Clostridium tetani. Tetanus usually occurs after an acute injury, such as a puncture wound or laceration. Also called lockjaw.Nervous
tetanyA disorder consisting of muscle spasms, cramps and twitching. Tetany usually results from hypocalcemia.Muscular
tetralogy of fallotTetralogy of Fallot is a rare congenital heart defect. It is a combination of four defects which result in oxygen-poor blood flow.Cardiovascular
TFStesticular feminization syndromereproductive
thalamusPaired bodies containing mostly gray matter and forming part of the lateral wall of the third ventricle of the brain. Nervous
thalassemiaAn inherited blood disorder characterized by an abnormal form of hemoglobin.Cardiovascular
thec-case, sheathnervous
thecaA sheath, case or capsule.General
thecomaA neoplasm derived from ovarian mesenchyme.Reproductive
thelarcheThe beginning of breast development at puberty.Reproductive
therapeuticsProcedures concerned with the remedial treatment or prevention of diseases. General
theri/oanimals, beastsgeneral
therm/oheat, temperaturegeneral
thermoalgesiaAbnormal pain felt when part of the body is warmed.Nervous
thermogenesisThe generation of heat in order to maintain body temperature. General
thermolysisDissipation of body heat by evaporation of sweat, radiation or other means.General
thermophoreAny substance that retains heat for a long period of time.General
thinkingThe act of reasoning. Cognition.Nervous
thio-presence of sulphurgeneral
thorac/ochest, pleural cavityrespiratory
thoracentesisRemoval of fluid or air from the thoracic cavity, usually with a needle.Respiratory
thoracicPertaining to the chest.General
thoracic cavityThe region of the thorax that includes the pleural cavity and mediastinum. General
thoracotomySurgical incision into the chest wall. Respiratory
thoraxThe chest cavity. Principal organs are the heart and lungs. Respiratory
-thoraxchest, pleural cavityrespiratory
THRtotal hip replacement skeletal
thresholdThe point at which a stimulus produces a sensation or evokes a response.General
thrillA vibratory, ringing sound. Sometimes used to describe a heart murmur.Cardiovascular
thromb/oblood clotcardiovascular
thrombectomySurgical removal of an obstructing clot or foreign material from a blood vessel at the point of its formation.Cardiovascular
thrombocytesPlatelets. A blood component helps to stop bleeding by clumping and clotting blood vessel injuries.Cardiovascular
thrombocytopeniaA low level of blood platelets. Platelet count < 150,000/mlCardiovascular
thrombocytosisHigh blood platelet count. Platelet count > 450,000/mlCardiovascular
thrombolysisThe dissolution of a thrombus.Cardiovascular
thrombolyticDissolving or breaking up a thrombus.Cardiovascular
thrombophiliaA disorder of hemostasis in which there is a tendency for the occurrence of thrombosis. Cardiovascular
thrombosisThe formation and development of a blood clot in a blood vessel. Cardiovascular
thumbThe first digit on the radial side of the hand opposite the other four digits. Skeletal
thym/othymus glandendocrine
thymectomySurgical removal of the thymus gland.lymphatic
-thymiastate of mindnervous
thymocytesLymphocyte arising in the thymus.Lymphatic
thymomaA neoplasm originating from thymic tissue, usually benign, and frequently encapsulated. Lymphatic
thymosinA hormone secreted by the thymus.endocrine
thymusAn organ that is part of the lymphatic system, in which T lymphocytes grow and multiply. The thymus is in the chest behind the breastbone.lymphatic
thyr/othyroid glandendocrine
thyroidA highly vascularized endocrine gland that regulates metabolism. It consists of two lobes joined by a thin band of tissue with one lobe on each side of the trachea. Endocrine
thyroidectomySurgical removal of the thyroid gland.Endocrine
thyroiditisInflammation of the thyroid gland. Endocrine
thyroxineA hormone of the thyroid gland that stimulates the consumption of oxygen.endocrine
TIAtransient ischemic attack nervous
tibiaThe medial and larger of the two bones of the lower leg, articulating with the fibula laterally, the talus distally, and the femur proximally. Skeletal
tibialisThe of two muscles in the leg that extend from the tibia to the metatarsal bones of the foot.Muscular
-ticpertaining tolymphatic
tickA blood-sucking acari parasite that penetrates the skin of their host by using a hooked mouth part. General
ticsHabitual, repeated, rapid muscle movement or vocalization which are involuntary or semi voluntary.General
tidal volumeThe volume of air inspired or expired in a single breath during normal breathing.Respiratory
tineaA fungal skin infection, including ringworm, athlete's foot and jock itch.integumentary
tinnitusThe perception of sound in the head when no outside sound is present. Commonly called 'ringing in the ears'.eyes and ears
-tionprocess ofgeneral
tissueA group of differentiated cells that perform a specific function. There are four basic tissues in the body: epithelium, connective (including bone, blood and cartilage), muscle and nerve.General
titubationWalking with a staggering or stumbling gait.Nervous
TKOto keep opengeneral
TKRtotal knee replacement skeletal
TLCtotal lung capacityrespiratory
TMtympanic membrane Eyes and Ears
TMJtemporomandibular joint skeletal
TNFtumor necrosis factor lymphatic
TNMtumor, node, metastasis lymphatic
toc/olabor, birthreproductive
-tociacondition of birth, laborreproductive
tom/osection, slicegeneral
-tomeinstrument to cutgeneral
tomographyImaging methods that shows a single plane (slice) of the body.General
-tomycutting, incisiongeneral
ton/otension, tonemuscular
tongueA muscular organ in the mouth that is covered with pink tissue called mucosa, tiny bumps called papillae, and thousands of taste buds. It is vital for chewing, swallowing and for speech. Digestive
tonicPertaining to normal muscle tone.Muscular
tonometryA test that measures intraocular pressure.eyes and ears
tonsillectomySurgical removal of a tonsillymphatic
tonsillitisInflammation of the tonsils, usually caused by bacterial infection.General
tonsilsA pair of soft lymphoid tissue masses located at the rear of the throat. Part of the immune system.lymphatic
toothOne of a set of bone-like structures in the mouth used for biting and chewing. Skeletal
toothachePain in or around a tooth.Skeletal
topicalPertaining to a particular area.General
topographyThe description of a body part in relation to surrounding structures.General
torporA state of decreased activity characterized by depressed metabolism, reduced body temperature and low sensitivity to external stimuli. General
torqueThe rotational force about an axis.General
torsades de pointesA form of polymorphic ventricular tachycardia that is characterized by heart rate between 200 and 250 beats per minute, and QRS complexes with changing amplitude and twisting of the points.Cardiovascular
torsionA twisting force.General
torsoThe central part of the body to which the neck and limbs are attached. General
touchSensations arising from making physical contact with objects. Tactile stimuli are detected by receptors in the skin and mucous membranes. General
tourette syndromeA neuropsychological disorder appearing in childhood, marked by multiple motor and vocal tics occurring multiple times daily over a period of more than one year. Nervous
tourniquetA band for the compression of a blood vessel, used to stop bleeding or prevent spread of snake venom.Cardiovascular
toxemiaThe presence of bacterial toxins in the blood. Also called blood poisoning.Cardiovascular
toxicityThe degree to which a substance is poisonous.General
toxicologyThe science concerned with the detection, chemical composition, and biological action of toxic substances or poisons and the treatment and prevention of toxic manifestations. General
toxicosisA diseased condition due to poisoning.General
toxinA poison produced by animals, plants or bacteria.General
toxoidA preparation of poisonous materials made nontoxic and intended for active immunologic prophylaxis. General
toxoplasmosisA parasitic infection by Toxoplasma gondii. Most infections are asymptomatic.lymphatic
TPNtotal parenteral nutrition digestive
TPRtemperature, pulse, and respiration general
trache/otrachea (windpipe)respiratory
tracheaThe wind pipe. Cartilaginous and membranous tube descending from the larynx and branching into the right and left main bronchi.Respiratory
tracheostomySurgical creation of an opening into the trachea to insert a tube to facilitate breathing. Respiratory
tracheotomySurgical incision of the trachea. Respiratory
trachomaA chronic infection of the conjunctiva and cornea caused by chlamydia trachomatis. Eyes And Ears
tractotomySurgical incision of a nerve tract, usually to relieve pain.Nervous
tranceA sleeplike state of altered consciousness and diminution of motor activity,Nervous
tranquillizerA drug that reduces stress without diminishing mental clarity.Nervous
trans-across, throughdirectional
transdermalEntering through the skin. Integumentary
transducerAny device or element which converts an input signal into an output signal of a different form. General
transectionCutting across the tissue of an organ.General
transferenceThe unconscious transfer to others of feelings and attitudes which were originally associated with important figures in one's early life. Nervous
transfusionThe transfer of blood from one person to another.Cardiovascular
transientShort lived.General
transplantationTransference of a tissue or organ from either an alive or deceased donor, within an individual, between individuals of the same species, or between individuals of different species. General
transudationPassage of a fluid or solute through a membrane.General
transverseLying across the long axis. Crosswise.General
transverse horizontal planeseparates the body's upper and lower sectionsdirectional
traumaPhysical or emotional injuries that are severe and of sudden onset.general
trematodeAny of a large number of parasitic flatworms of the class Trematoda including flukes.General
tremorInvoluntary shaking, quivering of body parts, commonly the extremities.Muscular
trench feverAn acute, infectious, bacterial infection characterized by intervals of chills and fever. Transmitted by body lice.General
-tresiaperforation, openingdigestive
triageThe process of classifying patients into groups based upon need and likely benefit of treatmentgeneral
tricepsMuscle with three heads, particularly the muscle on the back of the upper arm that contracts to extend the forearm.Muscular
trichiasisA condition of ingrown hair around an orifice, particularly ingrown eyelashes.Eyes And Ears
trichomoniasisA sexually transmitted disease caused by a single-celled protozoan parasite.reproductive
trichosporonosisFungal infections marked by fever or pneumonia.General
trichotillomaniaCompulsion to pull out one's hair. Nervous
tricuspid valveThe heart valve located between the right atrium and right ventricle.Cardiovascular
tricuspid valve regurgitationBack flow of blood from the right ventricle to the right atrium.Cardiovascular
tricuspid valve stenosisThe narrowing of the tricuspid valve opening. Tricuspid valve stenosis is almost always due to rheumatic fever. Cardiovascular
trigeminalPertaining to the fifth cranial nerve.Nervous
trigeminal neuralgiaAn inflammation of the trigeminal nerve causing extreme pain and muscle spasms in the face.nervous
trigeminyA heart condition where an EKG can be grouped into three beat patterns.Cardiovascular
trimesterAny of the three successive three month periods of pregnancy.Reproductive
tripletOne of three offspring born at one birth.Reproductive
-tripsyto crushurinary
trismusLack of ability to open the mouth fully due to decreased range of motion of the muscles of mastication. digestive
trop/oturneyes and ears
troph/onourishment, developmentgeneral
-trophicfood, nutritiondigestive
-trophynourishment, developmentgeneral
-tropiaturn, deviation from normalgeneral
-tropicturningeyes and ears
tropismThe directional growth of an organism in towards or away from light, touch, or gravity.General
trussesA supportive device designed for retaining a hernia in a reduced state within the abdominal cavity. General
TSHthyroid-stimulating hormone endocrine
TSStoxic shock syndromegeneral
tuberculomaA tumor-like mass resulting from the enlargement of a tuberculous lesion. General
tuberculosisBacterial infection that usually affects the lungs.Respiratory
tubuleA small tube.General
tularemiaA plague-like disease of rodents, transmissible to humans, marked by fever, chills, headache, backache and weakness. General
tumorA new growth of tissue in which cell multiplication is uncontrolled and progressive. A neoplasm.General
TURtransurethral resection reproductive
TVtidal volumerespiratory
twinsTwo individuals derived from two fetuses that were fertilized at or about the same time, developed in the uterus simultaneously, and born to the same mother. Twins are either monozygotic or dizygotic. Reproductive
tympan/oeardrumeyes and ears
tympanic membraneA thin, oval, semitransparent membrane separating the external ear canal from the tympanic cavity (ear, middle). Eyes And Ears
tympanocentesisNeedle aspiration of fluid from the middle ear through a puncture in the tympanic membrane. Eyes And Ears
tympanometryA test that measures the movement of the tympanic membrane (eardrum).eyes and ears
typhlitisInflammation of the cecum.Digestive
typhoid feverAn acute bacterial infection transmitted by contaminated water, milk or other foods, especially shellfish.Digestive
typhusAny of a group of acute infectious diseases characterized by fever, chills, headache, malaise and rash. Usually transmitted from infected rats by lice, fleas, ticks and mitesGeneral

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