To save this word, you'll need to log in.
\ ˈtē- 
\
\Medical Definition of T antigen
: any of several proteins that are produced by some tumorigenic DNA viruses (as simian virus 40) when they infect cells and that function in the transformation of normal cells into tumor cells or into tumor-forming cells and in the unwinding and replication of the DNA of the virus
Comments on T antigen
What made you want to look up T antigen? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Confusing Words—A Quiz
- I invented a brand new toaster robot and
______it "Sir Toasts-a-Lot."
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
- Confusing Words—A Quiz
Test your knowledge of these commonly confused words!
Take the quiz - Here Be Dragons: A Creature Identification Quiz Take the quiz
- Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Dictionary Devil
The dictionary has been scrambled—can you put it back together?
Play the game
Share T antigen
Resources for T antigen