WebOct 5, 2024 · Darwin’s tubercle (DT) is a congenital outer ear deformity characterized by a posterior thickening of the auricular helix. ... March, November, and February, representing 15.5 percent, 15.4 ... 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. See more This atavistic feature is so called because its description was first published by Charles Darwin in the opening pages of The Descent of Man, and Selection in Relation to Sex, as evidence of a vestigial feature indicating … See more The feature is present in approximately 10.4% of the Spanish adult population, 40% of adults in India, and 58% of Swedish school children. This acuminate nodule represents … See more • Human vestigiality See more The gene for Darwin's tubercle was once thought to be inherited in an autosomal dominant pattern with incomplete penetrance, … See more
Is it rare to have Darwin
WebDarwin’s tubercle, with its diverse manifestations, unquestionably adds to the individuality of each human ear and is useful for such purposes. Darwin’s Tubercle Removal Darwin’s tubercle surgery includes … WebDarwin’s tubercle (DT) is a congenital outer ear deformity characterized by a posterior thickening of the auricular helix. It is particularly common in certain ethnic groups, with reports... flip top beer wax seal
Darwin
WebJul 27, 2024 · A benign and unique helical feature, atavistic (returned to something ancient) swelling or tubercle of the posterior helix that is present in some individual... WebOct 6, 2024 · The abnormality got its name from Charles Darwin who described this finding in his writings as evidence of evolutionary similarities among primates. The abnormal … WebFeb 1, 2024 · The concurrent presence of Darwin’s tubercle and a preauricular pit of the ipsilateral ear, such as that observed in the present case, may represent a coincidental occurrence rather than an association between the two conditions. References. 1. Loh TY, Cohen PR. Darwin’s tubercle: Review of a unique congenital anomaly. flip top battle