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: Dental
Aminopeptidase is seen in: 
Select and explain. 
A. Dental lamina., B. Stratum intermedium., C. Ameloblast., D. Stratum reticulum.
B: Stratum intermedium.
Answer: B: Stratum intermedium. 
Explanation: Aminopeptidase is expressed in cells of stratum intermedium and odontoblasts during tooth development. Apart from this, it is also expressed in human osteoclasts and macrophages.