Endocrinology is one of the most fascinating fields of physiology thatis playing an important role in human health and welfare. The bookwill stimulate the interest of young students and kindle in them adesire to read more intensively since it contains every aspect ofhormonal coordination in the human body. The integration of cellsignalling pathways, involvement of receptors in signal transduction,every aspect of endocrine glands with their dysfunctions, feedbackloops and role of hormones in pharmaceutical industry-all these factsof endocrinology are incorporated in a comprehensive form.The book has been presented in a simple form with appropriatefigures that would appeal to the undergraduate and postgraduatestudents of life sciences including Zoology, Biochemistry, Pharmacy,Health Science, Nursing and Medical Science. It is hoped that thebook will meet the need of students who desire to learn clear, up-todate,and complete instances of endocrine glands that are elaboratedin ten chapters. The presentation of every hormonal disorder with itslaboratory evaluation, related symptoms, and illustrations based on acombination of quality and adequacy are significant markers of thisbook.