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
Gerlach tonsil is: 
Select and explain. 
A. Palatine tonsil, B. Lingual tonsil, C. Tubal tonsil, D. Nasopharyngeal tonsil
C: Tubal tonsil
Answer: C: Tubal tonsil 
Explanation: Gerlach tonsil is the lymphoid collection at the pharyngeal opening of auditory tube (tubal tonsils).