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: Pathology
Fordyce granules mostly occurs in all of the following areas EXCEPT 
Select and explain. 
A. Vermillion of the lip, B. Posterior tonsillar pillar, C. Alveolar ridge, D. Palate
C: Alveolar ridge
Answer: C: Alveolar ridge 
Explanation: None