Endoplasmic reticulum that is not covered with ribosomes and gives rise to the Golgi Apparatus.
A region of the endoplasmic reticulum involved in lipid synthesis.
(smooth ER) a vast system of interconnected, membranous, infolded and convoluted tubes that are located in the cell's cytoplasm (the ER is continuous with the outer nuclear membrane). The space within the ER is called the ER lumen. Smooth ER transport materials through the cell. It contains enzymes and produces and digests lipids (fats) and membrane proteins; smooth ER buds off from rough ER, moving the newly-made proteins and lipids to the Golgi body, lysosomes, and membranes
A membranous organelle in which lipid and carbohydrate synthesis and storage occur.
A series of membranous networks involved in the final modification of proteins and the synthesis of lipids. Contrast rough ER.