Frontmatter -- Foreword -- Contents -- Vitamin D. Metabolism and Catabolism -- Receptors for 1,25(OH)2D3 -- Biological Actions of 24,25(OH)2D3 -- Calcium Binding Proteins (CaBP): Chemistry and Molecular Biology -- Intestinal CaBP Transport: Physiological and Molecular Actions -- Skeletal Actions of Vitamin D Metabolites -- Renal Actions of of Vitamin D Metabolites -- Regulation of Hepatic and Renal Vitamin D-Hydroxylases -- Parathyroid Hormone-Vitamin D Interactions -- Vitamin D. Nutrition (Human and Animal) -- Vitamin D. Metabolism in Humans -- Pregnancy/Neonatology -- Assay Methodology: Vitamin D and Metabolites -- Renal Osteodystrophy -- Osteoporosis -- Clinical Observations and New Disease States -- Chemistry of Vitamin D Steroids -- Photobiology -- Vitamin D Binding Proteins (DBP) -- Addendum -- Author Index -- SUBJECT INDEX -- Animal Index