Endocrine glands in the body undertake the task of secreting hormones. The system in which all endocrine glands are located is the endocrine system. Secreted hormones have various tasks such as growth, development, reproduction, and controlling external reactions. Endocrinology is the branch of the unit that deals with the diseases that occur due to the fact that the glands do not work correctly and properly. The unit that deals with the hormonal disorders of all children in the 0-18 age group and the diseases that occur in response to these disorders is pediatric endocrinology.