This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
Darwin tubercle is seen in 
Select and explain. 
A. Tragus, B. Helix, C. Antihelix, D. Lobule
B: Helix
Answer: B: Helix 
Explanation: Darwin's tubercle (or auricular tubercle) is a congenital ear condition which often presents as a thickening on the helix at the junction of the upper and middle thirds The features present in approximately 10.4% of the population. This acuminate nodule represents the point of the mammalian ear. Ref: PL Dhingra, Diseases of Ear, Nose & Throat, 7th edition, pg no. 3