Overview of the Endocrine System
TEM of growth hormone producing cell from the pituitary gland. Growth hormone granules are shown in green.
© University of Edinburgh, Wellcome Images.
The endocrine system is comprised of ductless glands that produce messengers, called hormones, which regulate reproduction, development, metabolism and behavior. It interacts with the nervous system to control the activities of other organ systems.
Your slide tray is being processed.