The phrase "normal worms" typically refers to regular or ordinary worms. It implies that these worms are common and don't have any unusual qualities or characteristics. Full definition
The researchers compared metabolic changes in normal worms with those of long - lived ones that had a genetic mutation. (sciencedaily.com)
The death was necrotic, the team found, and appeared to be a stress response gone awry; the animals couldn't adjust the volume of fluid in their cells as normal worms do when exposed to water. (sciencemag.org)
By boosting pat - 10 activity, they were able to cure worms that had been altered to express the Huntington's disease gene, and also extend the lifespan of normal worms. (sciencedaily.com)