I Introduction 1 Introduction 2 Tomography and Landmarks II Atlas 3 Coronal Sections 4 Sagittal Sections 5 Transverse Sections 6 Brainstem III Topography of the Head and Neck 7 Topography of the Cranium, Intracranial Spaces, and Contained Structures 8 Facial Topography 9 Topography of the Head Neck Region IV Nervous System Neurofunctional Systems and Neuroactive Substances 10 Neurofunctional Systems 11 Neurotransmitters and Neuromodulators V Appendix 12 Specimens and Technique 13 Bibliography