Here's a breakdown:
* Stem body: A dense, proteinaceous structure found within the centrioles of plant cells. It's involved in the formation of microtubules, which are essential for cell division and other cellular processes.
* Centrioles: Small, cylindrical structures found in the cytoplasm of animal cells and some plant cells. They are involved in the formation of microtubules, which are essential for cell division.
* Animal cells: Eukaryotic cells that lack a cell wall and chloroplasts. They have other unique features like lysosomes and centrioles.
* Plant cells: Eukaryotic cells with cell walls, chloroplasts, and other unique features.
Therefore, the term "stem body" doesn't apply to animal cells. If you're interested in learning more about the formation of centrioles or microtubules, you can ask me about them!