<prompt> Darwin tubercle is seen inTragusHelixAntihelixLobule  <response>: Darwins 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 