title: The microtrabecular lattice of the adrenal medulla revealed by polyethylene glycol embedding and stereo electron microscopy.
mesh_terms: D000313:Adrenal Medulla / Q000294:innervation*; D000818:Animals; D001339:Autonomic Fibers, Preganglionic / Q000648:ultrastructure; D002837:Chromaffin Granules / Q000648:ultrastructure; D002838:Chromaffin System / Q000648:ultrastructure*; D004759:Enterochromaffin Cells / Q000648:ultrastructure*; D008854:Microscopy, Electron; D051381:Rats; D013570:Synaptic Membranes / Q000648:ultrastructure; D013572:Synaptic Vesicles / Q000648:ultrastructure