Which structures consist of ectodermal contributions? which structures consist of ectodermal contributions? urinary bladder and distal portions of the?

The structures that consists of ectodermal contributions include the urinary bladder and the distal portions of the duct systems. They also include the endocrine systems (thymus, thyroid gland and pancreas), respiratory system (respiratory epithelium and associated mucous glands, digestive system (mucous epithelium, liver and pancreas) and also the reproductive system.