China 
Africa 
- TUNEL assay
- TWA
- TXNRD1
- Tabasheer
- Tabebuia
- Tabernaemontana
- Tabernanthe iboga
- Tabes dorsalis
- Table salt
- Tabun
- Tac-Promoter
- Tacalcitol
- Tachistoscope
- TachoSil
- Tachosil
- Tachyarrhythmia
- Tachycardia
- Tachycardia-induced cardiomyopathy
- Tachykinin peptides
- Tachykinins
- Tachyphylaxis
- Tachypnea
- Tacit knowledge
- Taclonex
- Tacrine
- Tacrolimus
- Tactile hallucination
- Tactile paving
- Tactile perception
- Tadalafil
- Taenia asiatica
- Taenia coli
- Taenia crassiceps
- Taenia saginata
- Taenia solium
- Taeniasis
- Taeniidae
- Tafamidis
- Tafenoquine
- Tagatose
- Tagetes erecta
- Tagraxofusp
- Tail flick test
- Tail of pancreas
- Tail suspension test
- Tail vein
- Taixi
- Takayasu's arteritis
- Takotsubo cardiomyopathy
- Talaromyces marneffei
- Talaromycosis
- Talazoparib
- Talcosis
- Talimogene laherparepvec
- Talin
- Talinolol
- Talking cure
- Tallow
- Talonavicular joint
- Talus
- Tamarind
- Tamarixetin
- Tamm-Horsfall protein
- Tamoxifen
- Tamoxifen citrate
- Tamponade
- Tampons
- Tamsulosin
- Tanacetum parthenium
- Tanapox
- Tanaproget
- Tandem mass tag
- Tandem repeats
- Tandospirone
- Tanespimycin
- Tanezumab
- Tangelos
- Tangential speech
- Tangier disease
- Tankyrase
- Tanner scale
- Tanner staging
- Tannerella forsythia
- Tannins
- Tanshinone
- Tansy
- Tantalum
- Tantrums
- Tanycytes
- Tap2
- Tapentadol
- Tapering
- Tapetum lucidum
- Tapeworm
- Tapeworms
- Tapioca
- Tapotement
- Tapping rate
- Taq polymerase
- TaqI