<prompt> Darwin tubercle is seen in ?TragusHelixAntihelixLobule  <response>: Ans. is b i.e., Helix Darwins tubercle or auricular tubercle is a congenital earcondition which often presents as a thickening on the helix at the junction of the upper and middle thirds. The feature is present in approximately 10.4 of the population.This acuminate nodule represents the point of the mammalian ear. 