Combined transmission electron microscopy and X-ray micro-analysis of ultrathin frozen dried sections--an investigation to determine the normal elemental composition of mammalian tissue.

Animals Calcium/analysis Cell Nucleus/analysis Chromatin/analysis Cytological Techniques Dogs Endoplasmic Reticulum/analysis Iron/analysis Magnesium/analysis Membranes/analysis Methods Microchemistry Microscopy Microscopy, Electron Microtomy Mitochondria/analysis Phosphorus/analysis Rats Silicon Dioxide/analysis Zinc/analysis

Chromatin Phosphorus Silicon Dioxide Iron Magnesium Zinc Calcium