Most Americans say, He will live! After all, the thumbs-up sign is a positive thing. It's how we encourage our friends and silently show approval. But to the ancient Romans, a thumbs up mimicked the upward thrust of a sword through the heart. It meant, kill. A thumbs-down meant put your sword down. So where did this confusion about thumbs come from?
Freebase(0.00 / 0 votes)Rate this definition: Transfection. Transfection is the process of deliberately introducing nucleic acids into cells. The term is used notably for non-viral methods in eukaryotic cells.
wafer. n. 1. (Cookery) a thin crisp sweetened biscuit with different flavourings, served with ice cream, etc. 2. (Ecclesiastical Terms) Christianity a thin disc of unleavened bread used in the Eucharist as celebrated by the Western Church. 3. (Pharmacology) pharmacol an envelope of rice paper enclosing a medicament.afer. n. 1. (Cookery) a thin crisp sweetened biscuit with different flavourings, served with ice cream, etc. 2. (Ecclesiastical Terms) Christianity a thin disc of unleavened bread used in the Eucharist as celebrated by the Western Church. 3. (Pharmacology) pharmacol an envelope of rice paper enclosing a medicament.