In this quarter, the endothelial reticulum covers most of the area, part of it rough with ribosomes. It is the organelle that gives the cell a continuity and the nucleus its central prominence in the composition.

In this quarter, the endothelial reticulum covers most of the area, part of it rough with ribosomes. It is the organelle that gives the cell a continuity and the nucleus its central prominence in the composition.