from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A membrane network within the cytoplasm of cells involved in the synthesis, modification, and transport of cellular materials.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A network of membranes within the cytoplasm of cells, where proteins and lipids are synthesized.
Sorry, no etymologies found.
If the requested protein is for export, manufacture occurs at an organelle known as the endoplasmic reticulum ER.