Origination of liver and pancreas from germ layer

Question

Explain the germ layer from which do the liver and the pancreas originate? Specify the other organs and tissues which are made from that germ layer?

Answer 1

Liver and pancreas are originated from the endoderm. Also from endodermal origin are the epithelia of airway, the epithelia of bladder, of urethra and of GI tube (except of mouth and anus), alveolar cells of lungs and thyroid and parathyroid glands.