Function and disease of the pituitary gland have long been at the center of research interest. Based on a recent meeting held at Iguazu Falls, Argentina, this volume of Frontiers of Hormone Research highlights scientifically exciting and clinically relevant areas in this fast-developing field. Renowned specialists and experts from Latin and North America, Europe and Australia discuss in their contributions various aspects of tumorigenesis, prolactinomas, hormone regulation and action, growth hormone and acromegaly, hypothalamic-pituitary-adrenal axis as well as Cushing disease. A fascinating update on selected issues in basic and clinical research, this book will be of great interest to both neuroendocrinologists and endocrinologists working on pituitary diseases and related issues.