Clinical Neuroendocrinology: Neuropeptide GPCRsAbout This Hardback The branch of biology which focuses on the relationship between the endocrine and the nervous system is termed as neuroendocrinology. The regulation of the activity of the hormones by the brain is studied within this field. The physiological processes in the body are regulated by a process known as neuroendocrine integration, wherein the endocrine and nervous system function together. The major neuroendocrine systems in the body