Body parts derived from endoderm include
A)epidermis and dermis of the skin as well as hair and nails.
B)the urinary bladder epithelium,pancreas,and digestive tract lining.
C)all connective tissues,including blood,bone,and cartilage.
D)the linings of the blood vessels,trachea,and body cavities.

Question

Quizplus · Accepted Answer

Endoderm gives rise to the innermost layer of organs in the embryo, which includes the urinary bladder epithelium, pancreas, and lining of the digestive tract. So, option B is correct. Option A is incorrect as the epidermis and dermis of the skin, hair, and nails are derived from ectoderm. Option C is incorrect as connective tissues are derived from mesoderm. Option D is incorrect as the linings of the blood vessels, trachea, and body cavities are derived from mesoderm.

Body Parts Derived from Endoderm Include