Prolactin Releasing and Inhibiting Factors in the Posterior Pituitaiy.- The Hypothalamo-Pituitary Axis.- Posterior Pituitary Dopamine.- Posterior Pituitary PRF.- Summary.- Effects of Prolactin on Target Cells.- Target and Actions of Prolactin.- The Signal Transduction Pathway of Prolactin's Actions.- Indirect Effects of Prolactin on Target Tissues.- Conclusion.- Cellular and Molecular Aspects of the Neuroendocrine-Immune Dialogue in T-Cell Differentiation.- Cell Populations of the Thymic Microenvironment.- Pathways of T-Cell Differentiation.- Neural Crest Contribution to Thymic Development.- Neuroendocrine Markers of the Thymus.- Intrathymic Synthesis of Neuropeptides.- Thymic Neuropeptide Receptors.- Physiological Significance of Intrathymic Neuropeptide Synthesis.- Relationships between the Thymus and Endocrine Glands.- Summary.- The Hippocampus: A Site for Modulatory Interactions between Steroid Hormones, Neurotransmitters and Neuropeptides.- Adrenal Steroid Receptors in Brain.- Regulated Access of Steroids to Receptors In Vivo.- Neural Sites and Mechanism of Regulation of Pituitary-Adrenal Activity.- What Is the Impact of Glucocorticoids Secreted During Stress on the Hippocampus and Other Brain Regions?.- Neuropeptide Actions on and in the Hippocampus.- Glucocorticoids as General Maintenance Factors for Brain Structure and Glial Cell Neurochemistry.- Glucocorticoids and Neuronal Survival.- Conclusions and Speculations: Normal versus Pathological Effects of Glucocorticoids on the Hippocampus and Other Brain Structures.- Gastrointestinal Peptide Binding and Function in the Brain: Emphasis on Peptide YY.- Structure of the PP Family Peptide.- Distribution of PYY in the Gut and Brain.- PYY Receptors in the Brain.- PYY Actions in the Brain.- Summary.
