Q. From which germ layer do the liver and the pancreas originate? What are other organs and tissues made from that germ layer?
The pancreas and the liver are originated from the endoderm. Also from endodermal origin are the epithelia of the airway and the epithelia of the bladder of the urethra and of the GI tube (except of the mouth and anus) the alveolar cells of the thyroid and the lungs and parathyroid glands.