Last Updated: April 2, 2024 Structure and Function of Hormones The integration of body functions in humans and other higher organisms is carried out by the nervous system, the immune system, and the endocrine system. The endocrine system is composed of a number of...
Last Updated: May 24, 2023 Common Vertebrate Hormones
Last Updated: December 8, 2023 Introduction to the Steroid Hormones The steroid hormones are all derived from cholesterol. Moreover, with the exception of vitamin D, they all contain the same cyclopentanophenanthrene ring and atomic numbering system as...