Here's a breakdown:
* Parenchyma: This is a general term for a type of plant tissue composed of relatively unspecialized cells with thin walls. These cells perform a variety of functions, including photosynthesis, storage, and support.
* Isomorphic: The cells are all roughly the same shape and size.
* Polyhedral: The cells have many sides, giving them a somewhat irregular, almost "blocky" appearance when viewed under a microscope.
It's important to note that the specific shape of tomato epidermal cells can vary slightly depending on their location on the fruit and the stage of development. However, parenchyma is the most common shape for these cells.