The way tiny parts are arranged in a material like metal, rock, or ceramic, which can change how strong or flexible it is.
By looking at the microstructure under a microscope, we can see how the tiny parts are arranged in the metal.
In biology, the way cells and tissues are arranged in a sample, which can tell us about the health or function of an organism.
The scientists studied the microstructure of the plant cells to learn more about how they grow.