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, meaning that those who possess the allele … See more WebConclusion Darwin’s tubercle is a benign and unique helical feature. It contributes to the individuality of human ears and may have applications toward personal identification in the future.
Darwin’s tubercle anatomy Britannica
WebApr 7, 2016 · Europe PMC is an archive of life sciences journal literature. WebDarwin's tubercle is sometimes used to illustrate basic genetics; the myth is that it is controlled by a single gene with two alleles, and the allele for Darwin's tubercle is … cincinnati teeth cleaning
Darwinian Tubercle of Pinna - MalaCards
WebCT or MRI may also be useful in the diagnosis of Type 1 fractures, especially in those patients with pre-existing Osgood-Schlatter's disease. Treatment: Nondisplaced fractures may be treated in extension with a brace, cylinder cast, or a long leg cast for 4-6 weeks. WebOct 6, 2024 · The family and twin studies strongly indicate that Darwin’s tubercle is not determined by a single gene with two alleles, and there may be very little genetic … WebMar 3, 2014 · Darwin's tubercle is a congenital ear condition which often presents as a thickening on the helix at the junction of the upper and middle thirds. This is a normal anatomic variant present in about 10% of the population. ... TREATMENT FOR YOU. TAKE OUR TREATMENT FINDER QUIZ. Recommended reading. Everything you need to … cincinnati teen health clinic