General terms:
* Heterogeneous: This term implies that the cells are diverse and not all the same.
* Variable: This simply indicates that the cells vary in size.
* Asymmetrical: This describes a lack of symmetry, implying differences in size and potentially shape.
More specific terms:
* Anisocytosis: This term is often used in the context of red blood cells, specifically referring to their variability in size.
* Pleomorphism: This term refers to variation in size and shape of cells, commonly used to describe abnormal cell growth.
The best term to use depends on the specific situation and what you want to emphasize.
