The primary intent of this book is to familiarize the medical practitioner with the "nail unit" in a way which will render, correctly and more easily, the diagnosis of nail diseases. At the same time, it serves to encourage the treatment and corrective measures of the ab- normalities, if possible, based on anatomical and physiological knowledge. The chapters on anatomy, regeneration, and nail formation are basic to the author's in- tent. The content ofthe references quoted represents information which is proven and not controversial material. In addition, my own material not previously...