Smooth endoplasmic reticulum
The smooth endoplasmic reticulum, or smooth ER, is found in both animal cells and plant cells. Smooth ER helps the body make and metabolize fats and steroid hormones.[1]
Rough endoplasmic reticulum is studded with ribosomes. Smooth ER is not.[1]
Smooth Endoplasmic Reticulum Media
Micrograph of rough endoplasmic reticulum network around the nucleus (shown in the lower right-hand area of the picture). Dark small circles in the network are mitochondria.
1 Nucleus *2 Nuclear pore *3 Rough endoplasmic reticulum (RER) *4 Smooth endoplasmic reticulum (SER) *5 Ribosome on the rough ER *6 Proteins that are transported *7 Transport vesicle *8 Golgi apparatus *9 Cis face of the Golgi apparatus *10 Trans face of the Golgi apparatus *11 Cisternae of the Golgi apparatus
3D rendering of endoplasmic reticulum
A 2-minute animation showing how a protein destined for the secretory pathway is synthesized and secreted into the rough endoplasmic reticulum, which appears at the upper right approximately halfway through the animation.
Electron micrograph showing smooth ER (arrow) in mouse tissue, at 110,510× magnification.
Skeletal muscle fiber, with sarcoplasmic reticulum colored in blue.
Ca2+-antagonized transport into the endoplasmic reticulum (CaATiER) model
References
- ↑ 1.0 1.1 "Endoplasmic Reticulum (rough and smooth)". British Society for Cell Biology. 2015. Retrieved May 30, 2017.