The area around the nucleus in an animal cell is called the cytoplasm. It's a gel-like substance that fills the cell and contains many different organelles, each with its own specific function. Here's a breakdown:

* Organelles: These are the "mini-organs" of the cell, like the mitochondria (powerhouse of the cell), endoplasmic reticulum (involved in protein synthesis and lipid metabolism), Golgi apparatus (processes and packages proteins), lysosomes (break down waste products), and ribosomes (synthesize proteins).

* Cytosol: This is the fluid portion of the cytoplasm, containing dissolved nutrients, ions, and other molecules.

* Cytoskeleton: This is a network of protein fibers that provide structure and support for the cell, allowing it to maintain its shape and move.

So, while the nucleus is the control center of the cell, it's surrounded by a bustling, active region of the cell, filled with many structures that work together to keep the cell alive and functioning.