Endomembrane System


  • The cell is a highly organized and compartmentalized entity, with various membranous organelles that contribute to its structure and function. 
  • Among these organelles, some are grouped together to form what is known as the endomembrane system. This system includes the endoplasmic reticulum (ER), Golgi complex, lysosomes, and vacuoles. 
  • The distinguishing feature of the endomembrane system is the coordination of functions among these organelles, allowing them to work together seamlessly. 
  • Notably, other organelles such as mitochondria, chloroplasts, and peroxisomes do not share this level of coordination with the components of the endomembrane system and, therefore, are not considered part of it. 
  • The endomembrane system plays a vital role in various cellular processes, including protein synthesis, modification, and transportation, as well as the breakdown of cellular waste.