Various types of suprameatal spines and depressions in the human temporal bone |
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Authors: | T V Peker C Pelin H B Turgut A An?l A Sevim |
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Institution: | (1) Gazi üniversitesi Tıp Fakültesi, Anatomi Anabilim Dali, TR-06500 Be∫evler Ankara, Turkey, TR;(2) Department of Physical Anthropology and Paleoanthropology, Ankara University, Faculty of Language, History and Geography, Ankara, Turkey, TR |
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Abstract: | Since it covers the lateral wall of the mastoid air system, the suprameatal triangle is of importance to otologic surgeons
during mastoidectomy. Because of this clinical importance, topographic anatomy of the suprameatal spine and depression was
studied on Anatolian skulls. In all, 363 male and 231 female skulls were studied. The most prevalent type of suprameatal spine
resembled a crest and was found in both sexes on the right (77.6%) and left (80%) sides. The absence of a suprameatal depression
was significantly higher in females (right 9.1%; left 8.7%) than in males (right 1.7%; left 2.5%). Suprameatal depressions
were mostly shallow in female subjects, but were mostly observed in males to be at a medium depth or deep.
Received: 5 January 1998 / Accepted: 19 March 1998 |
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Keywords: | Temporal bone anatomy Suprameatal spine Suprameatal depression |
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