title: Morphometric analysis of the ultrastructural changes in the liver of aging rats.
mesh_terms: D000375:Aging; D000818:Animals; D002467:Cell Nucleus; D003593:Cytoplasm; D004721:Endoplasmic Reticulum; D005110:Extracellular Space; D006056:Golgi Apparatus; D008099:Liver / Q000166:cytology* / Q000378:metabolism; D008247:Lysosomes; D008297:Male; D008830:Microbodies; D008854:Microscopy, Electron; D009940:Organoids; D051381:Rats