This volume provides a complete review of all the articles which have appeared in the literature since 1986 that pertain to the adrenal medulla and adrenal chromaffin. Over 1700 articles are reviewed, organized, and summarized. Topics covered include the transplantation of medulla into the brain, stimulus-secretion coupling, neuropeptides, enzymes of catecholamine biosynthesis, growth factors, neural regulation and clinical considerations, including imaging and tumors. This book will provide interesting reading for neurobiologists, cell biologists, pathologists, diagnostic radiologists, and advanced biology students.