The cell as a membranous network under microscope.
D000311:Adrenal Glands / Q000648:ultrastructure*; D000818:Animals; D006168:Guinea Pigs; D007425:Intracellular Membranes / Q000648:ultrastructure*; D007668:Kidney / Q000648:ultrastructure*; D008099:Liver / Q000648:ultrastructure*; D008854:Microscopy, Electron; D010503:Periodic Acid-Schiff Reaction