What is the top side of the worm called?

The top of a worm is the dorsum or it can be said to be the

dorsal surface.

Golgi body

Explanation:

The Golgi body is the cell organelle which helps in modification and synthesis of the proteins. After modification the protein molecules are transported outside the cell.

This organelle is found in most of the eukaryotic cells. It is made up of membrane bound sacs which is transported to the respective cells.

The bundle of macro molecules like proteins and lipids are synthesized within the cell and then and then transported.