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December 2021

Auricular exostoses in the prehistoric population of Gran Canaria

Author(s): BetancorRodriguez, A., ArnayDelaRosa, M., GonzalezReimers, E.

Journal/Book: Amer J Phys Anthropol. 2000; 112: Div John Wiley & Sons Inc, 605 Third Ave, New York, NY 10158-0012, USA. Wiley-Liss. 49-55.

Abstract: Auditory exostoses are bone anomalies located in the external auditory canal. The bulk of clinical observations and some experimental data support the idea that their development depends on prolonged exposure to cold water. This study was performed in order to analyze the prevalence of auditory exostoses among the prehispanic population of Gran Canaria, comparing it between men and women and between individuals buried in coastal regions and central highlands. We analyzed 323 crania, 41 of which showed auditory exostoses. Marked differences in prevalence were observed between the individuals buried in the central highlands (0.88%) and those buried in coastal regions (40.21%). Among the latter, the prevalence was similar in men (41.67%) and in women (38.89%). These data support the hypothesis that individuals buried in coastal regions performed economic activities related to exploitation of marine resources, whereas those living in the central highlands did not; however, diachronic variation cannot be excluded.

Note: Article Gonzalez-Reimers E, Hosp Univ Canarias, Dpto Med Interna, Tenerife, Canary Islands, SPAIN

Keyword(s): auricular exostoses; prehispanic Canary Islands; paleopathology; paleoeconomy; AUDITORY EXOSTOSES; COLD-WATER; SURFERS


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