The phrase "culture dish" refers to a container where cells or bacteria are grown and studied in a laboratory setting. It is like a small home for these living organisms where scientists can observe and experiment on them. Full definition
The antibodies were able to trigger parasite - killing reactions in culture dishes as well as in mice with the parasite. (sciencemag.org)
All human cell lines growing in tissue culture dishes, and about 95 % of cells in a human being, split evenly, resulting in daughter cells of equal size. (sciencedaily.com)
The scientists explored this possibility in mouse neurons grown in culture dishes. (gladstone.org)