Section I Ventral Medullary Mechanisms -- 1. Afferent Inputs to Ventrolateral Medulla -- 2. Widespread Autonomic Afferents to the Nucleus Paragigantocellularis of the Rostral Ventrolateral Medulla -- 3. Regulation of Autonomic Cardiovascular Function by the Rostral Ventromedial Medulla -- 4. Flexibility of the Map of Brainstem Neurons with Sympathetic Nerve-Related Activity -- 5. Imidazole Receptors and their Endogenous Ligand in the Rostral Ventrolateral Medulla: Relationship to the Action of Clonidine on Arterial Pressure -- 6. The Role of the Rostral Ventrolateral Medulla in the Synchronization of Respiratory and Sympathetic Functions -- Section II Central Neurotransmitter Systems -- 7. Interaction of Angiotensin II with Catecholamines in the Brain -- 8. Actions of Angiotensin II in the Ventrolateral Medulla Oblongata -- 9. Cardiovascular Actions of Angiotensin II in the Ventrolateral Medulla -- 10. Endorphinergic Neurons in the Brainstem: Role in Cardiovascular Regulation -- 11. Endogenous Opioid Peptides, Glucocorticoids, and Shock: Specificity, Site, and Mechanism of Action -- 12. Neuropeptides in Central Baroreceptor Reflex Pathways -- 13. Adenosine in Central Cardiovascular Control -- Section III Control of Sympathetic Tone, Hypertensive Mechanisms -- 14. Spinal Mechanisms in the Sympathetic Control of Cardiac Function -- 15. The Function of Catecholamines in the Control of Sympathetic Preganglionic Neurons -- 16. Contribution of Forebrain Structures to the Development of Neurogenic Hypertension -- 17. Mechanisms of Differential Cardiovascular Responsiveness to 2-Deoxyglucose-Induced Central Glycopenia in Conscious Spontaneously Hypertensive and Wistar Kyoto Rats -- 18. High-Renin Renal Hypertension Depresses the Baroreflex Control of Heart Rate and Sympathetic Activity -- 19. Opioidergic-Dopaminergic Interaction in Hypertension