What are Endosomes?

What are Endosomes?

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By Dr. Sanchari Sinha Dutta, Ph.D.Reviewed by Emily Henderson, B.Sc.

Endosomes are membrane-bound cytosolic vesicles with three major compartments namely early, late, and recycling endosomal compartments. Endosomes are the integral parts of the endocytic process, and thereby, play crucial roles in various physiological processes, such as nutrient uptake, sorting and delivery of macromolecules, and regulation of cell surface receptors and transporter expressions.