- TaqMan
- Tar
- Taraxacum officinale
- Taraxasterol
- Taraxerol
- Tardive dyskinesia
- Tarenflurbil
- Target cells
- Target controlled infusion
- Target lesion
- Target protein
- Target tissue
- TargetScan
- Targeted reinnervation
- Targeted temperature management
- Targeted therapies
- Targetoid
- Tariquidar
- Tarlov cysts
- Tarnish
- Tarsal
- Tarsal bone
- Tarsal coalition
- Tarsal joint
- Tarsal tunnel
- Tarsal tunnel syndrome
- Tarsometatarsal joint
- Tarsometatarsus
- Tarsorrhaphy
- Tartaric acid
- Tartrate
- Tartrazine
- Taselisib
- Tasimelteon
- Task analysis
- Task switching
- Taspine
- Taspoglutide
- Taste
- Taste aversion
- Taste buds
- Taste receptors
- Taster
- Tata-binding protein
- Tattoo machine
- Tattoo removal
- Tattooing
- Tau protein
- Tau proteins
- Tauopathies
- Tauopathy
- Taurine
- Taurodontism
- Taurolidine
- Tavaborole
- Taxadiene
- Taxanes
- Taxifolin
- Taxine alkaloids
- Taxoid
- Taxonomic rank
- Taxus brevifolia
- Taxus wallichiana
- Tay-Sachs disease
- Taylor Spatial Frame
- Tazarotene
- Tazemetostat
- Tazobactam
- Tea tree oil
- Teach-back method
- Team nursing
- Team physician
- Tear break-up time
- Tear film
- Tear gas
- Teasing
- Tebuconazole
- Tecemotide
- Technetium 99
- Technetium-99m
- Technology
- Technology acceptance model
- Tecovirimat
- Tectorial membrane
- Tectoridin
- Tectorigenin
- Tectum
- Tedizolid
- Tedlar
- Teduglutide
- Teenage pregnancy
- Teenagers
- Teething
- Teflon
- Tefluthrin
- Tegafur
- Tegaserod
- Teichoic acid
- Teicoplanin
- Tektin
- Tela choroidea
- Teladorsagia circumcincta
- Telangiectasia
- Telangiectasia macularis eruptiva perstans
- Telangiectasis
- Telaprevir
- Telapristone
- Telbivudine
- Tele-audiology
- Telecanthus
- Telecare
- Teledentistry
- Teledermatology
- Telehealth
- Telemedicine
- Telencephalon
- Telenursing
- Telenzepine
- Teleophthalmology
- Telepathology
- Telepharmacy
- Telephone counseling
- Telephone interpreting
- Telepsychiatry
- Telepsychology
- Teleradiology
- Telerehabilitation
- Teletherapy
- Telfairia occidentalis
- Tellimagrandin I
- Tellimagrandin II
- Telluride
- Tellurium
- Telmisartan
- Telocytes
- Telogen effluvium
- Telomerase
- Telomere
- Telomere shortening
- Telomeres
- Telomerization
- Telomestatin
- Telophase
- Telson
- Temafloxacin
- Temazepam
- Temefos
- Temocillin
- Temoporfin
- Temozolomide