Endoplasmic reticulum

The endoplasmic reticulum (ER) is a teep o organelle in the cells o eukaryotic organisms that forms an interconnectit network o flattened, membrane-enclosed sacs or tubes kent as cisternae.

Cell biology
The ainimal cell
Animal Cell.svg
Components o a teepical ainimal cell:
  1. Nucleolus
  2. Nucleus
  3. Ribosome (little dots)
  4. Vesicle
  5. Rough endoplasmic reticulum
  6. Golgi apparatus (or "Golgi body")
  7. Cytoskeleton
  8. Smuith endoplasmic reticulum
  9. Mitochondrion
  10. Vacuole
  11. Cytosol (fluid that contains organelles)
  12. Lysosome
  13. Centrosome
  14. Cell membrane
Micrograph o rough endoplasmic reticulum network aroond the nucleus (shawn in lawer richt-haund side o the pictur). Dark smaa circles in the network are mitochondria.