title: Some aspects of thickness measurement of cytomembranes in electron micrographs of stained thin sections.
mesh_terms: D000818:Animals; D001699:Biometry; D002462:Cell Membrane / Q000648:ultrastructure*; D004847:Epithelial Cells; D004848:Epithelium / Q000648:ultrastructure; D007421:Intestine, Small / Q000648:ultrastructure; D008433:Mathematics; D051381:Rats