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
PARULIS is an inflammatory enlargement seen in 
Select and explain. 
A. End of sinus tract, B. Extraction socket, C. Due to irritation from calculus / over hanging restoration, D. None of the above
A: End of sinus tract
Answer: A: End of sinus tract 
Explanation: None