1. to inject a very small amount of a substance into a cell, tissue, or organism using specialized equipment
Usage: scientific; technical

Examples

• Scientists microinject DNA into fertilized eggs to create genetically modified organisms.
• The researcher will microinject the drug directly into individual cancer cells.
• They microinjected fluorescent markers into the embryo to track cell development.
• The laboratory uses fine needles to microinject samples into living tissue.
• Biologists microinject proteins into cells to study their function.
• The technique allows scientists to microinject precise amounts of chemicals into single cells.