4 concepts
Mechanisms of Hormone Action
A hormone is a secreted chemical messenger that enables communication between cells and tissues throughout the body.
Hormone Receptors
Hormones activate a cellular response in the target cell by binding to a specific receptor in the target cell.
Chemistry of Hormones
There are three classes of hormones: peptide hormones, lipid hormones, and monoamine hormones.
Transport of Hormones
Hormones synthesized by the endocrine glands are transported throughout the body by the bloodstream.