15: The Endocrine System Last updated Save as PDF Page ID 84782 Lumen Learning Lumen Learning 15.1: The Endocrine System 15.2: Hormones 15.3: The Pituitary Gland and Hypothalamus 15.4: The Thyroid Gland 15.5: The Parathyroid Glands 15.6: The Adrenal Glands 15.7: The Pineal Gland 15.8: Gonadal and Placental Hormones 15.9: Pancreas 15.10: Age Related Changes to the Endocrine System 15.11: Age Related Dysfunctions of the Endocrine System 15.12: Glossary- The Endocrine System