tumor-specific transplantation antigen n.
Abbr. TSTA
Any of several surface antigens of virus-transformed tumor cells, which elicit an immune rejection of the virus-free cells when transplanted into an individual that has been immunized against the specific cell-transforming virus.
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
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