part Part I Promoted Gastrointestinal Drug Absorption -- chapter 001 Gastrointestinal Anatomy, Physiology and Permeation Pathways -- chapter 002 Enhancers for Enteral Delivery of Macromolecules with Emphasis on Surfactants -- chapter 003 Improvement of Oral Drug Absorption by Chitosan and Its Derivatives -- chapter 004 Targeted GI Delivery -- chapter 005 Inhibition of Enzymes and Secretory Transport -- chapter 006 Enhanced Gastrointestinal Absorption of Lipophilic Drugs -- part Part II Promoted Rectal Absorption -- chapter 007 Permeation Pathways in Rectal Absorption -- chapter 008 Cyclodextrins and Other Enhancers in Rectal Delivery -- part Part III Enhancement of Buccal and Sublingual Absorption -- chapter 009 Basic Biopharmaceutics of Buccal and Sublingual Absorptions -- chapter 010 Chemical Enhancers in Buccal and Sublingual Absorptions -- part Part IV Transdermal Enhanced Delivery -- chapter 011 The Lipid Organization in Stratum Corneum and Model Systems Based on Ceramides -- chapter 012 Chemical Permeation Enhancement -- chapter 013 Vesicular Carriers for Enhanced Delivery through the Skin -- chapter 014 Iontophoresis in Transdermal Delivery -- chapter 015 Electroporation as a Mode of Skin Penetration Enhancement -- chapter 016 Ultrasound in Percutaneous Absorption -- chapter 017 Combined Chemical and Electroporation Methods of Skin Penetration Enhancement -- chapter 018 Stratum Corneum Bypassed or Removed -- part Part V Nasal Absorption Optimization -- chapter 019 Physiological Factors Affecting Nasal Drug Delivery -- chapter 020 Nasal Delivery of Peptide Drugs -- part Part VI Drug Absorption from Vagina and Uterus -- chapter 021 Vagina and Uterus as Drug-Absorbing Organs -- chapter 022 Strategies to Improve Systemic and Local Availability of Drugs Administered via Vaginal Route -- part Part VII Systemic Absorption through the Ocular Route -- chapter 023 Eye Structure and Physiological Functions -- chapter 024 Drug Delivery Systems for Enhanced Ocular Absorption -- chapter 025 Ocular Penetration Enhancers -- chapter 026 Iontophoresis for Ocular Drug Delivery -- part Part VIII Drug Delivery to the Central Nervous System -- chapter 027 Structure and Function of the Blood–Brain Barrier -- chapter 028 Strategies to Overcome the Blood–Brain Barrier.