Question

The adrenal cortex is a derivative of which germ layer?

विकल्प

• Mesoderm

• Both ectoderm and mesoderm

• Endoderm

• Ectoderm

Answer 1

The adrenal cortex arises from the mesoderm, the middle germ layer. In contrast, the pituitary and pineal glands are ectodermal, while the thyroid and thymus are endodermal derivatives.