The endocrine system originates from all three germ layers of the
embryo. What hormones arise from the Endoderm layer?
Anterior pituitary hormones, Posterior pituitary hormones and Pineal
B. Insulin, Glucagon, Somatostatin
C. Thyroid hormones, Parathyroid hormones, Pancreatic hormones, and
D. Steroid hormones (produced by gonads and adrenal cortex)