endosome

[ en-duh-sohm ]

noun

, Cell Biology.

1. a smooth sac within the cell, formed by or fused with coated vesicles that shed their clathrin, in which ligands are separated from their receptors and from which the receptors are returned to the cell surface.

Word History and Origins

Origin of endosome¹

endo- + -some ³

Example Sentences

Omicron was able to infect cells that don’t have an endosome back door but do have TMPRSS2.

From Science News

Still, some researchers are not convinced that omicron uses the endosome back door into cells.

From Science News