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
In erythema migrans, which papilla of tongue are absent: 
Select and explain. 
A. Fungiform, B. Foliate, C. Filliform, D. Circumvallate
C: Filliform
Answer: C: Filliform 
Explanation: None