This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Simple cuboidal epithelium is seen in: 
Select and explain. 
A. Skin, B. Trachea, C. Oesophagus, D. Thyroid gland
D: Thyroid gland
Answer: D: Thyroid gland 
Explanation: Other sites with the typical cuboidal epithelium are:Surface of ovaryChoroid plexusInner surface of lensPigment cell layer of retina