Endosome

Definition

An endosome is a small vesicle within a cell that helps in the transport of substances. It's involved in processes like recycling of cell surface membrane and protein trafficking.

Related terms

Lysosome:

A cellular organelle that contains enzymes for breaking down waste materials and cellular debris.

Vesicle:

A small structure within a cell consisting of fluid enclosed by a lipid bilayer. Vesicles can transport materials within cells.

Phagocytosis:

The process by which a cell engulfs particles such as bacteria or other cells. This is one way substances can enter an endosome.