RNAi - RNA interference
RNAi - RNA interference and gene knock down
Sources:
Fire, A., Xu, S., Montgomery, M. K., Kostas, S. A., Driver, S. E., & Mello, C. C. (1998). Potent and specific genetic interference by double-stranded RNA in Caenorhabditis elegans. nature, 391(6669), 806.
Fire, A. (1999). RNA-triggered gene silencing. Trends in Genetics, 15(9), 358-363.
Wikimedia - Examples of microRNA stem-loops.jpg by VTD ((CC BY-SA 4.0)