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International Journal of Morphology

On-line version ISSN 0717-9502


CIRPAN, Sibel; AKSU, Funda  and  MAS, Nuket. Inca Bone in Human Skulls of the West Anatolian Population. Int. J. Morphol. [online]. 2014, vol.32, n.1, pp.275-278. ISSN 0717-9502.

The Inca bones are rarely seen among other inter sutural bones and are accepted as variants of the normal. The incidence of the Inca bones has been researched in different populations. The aim of this study was to investigate the rate and types of the Inca bones in West Anatolian population. One hundred fifty-one skulls of West Anatolian subjects of unknown ages and sex were examined. None of the specimens showed signs of prior cranial surgery, bony malformation or trauma. The skulls were classified as adults with teeth eruption. The Inca bones were macroscopically determined and analysed. The samples were photoghraphed with Canon 400B (55 mm objective). We follow previous criteria and nomenclatures of the Inca bones. The incidence of Inca bones of examined skulls was 1.98% (3/151). We observed 1 incomplete lateral asymmetric, 1 complete undivided and 1 complete asymmetric bipartita Inca bones. Inca ossicles are accessory bones found in human skulls due to ossification failure. Inca bones can be used in personal identification by comparing the ante- and post-mortem radiographs. There are some regional variations in frequencies within each restricted geographical area. In the present study, the incidence of the Inca bones is 1.98% in West Anatolian population. The frequency of the Inca bones in the skulls belonging to Hellenistic Roman periods of Cyprus and Constantinople in Natural History Museum of Turkey was 1.59%. The variation in Anatolia's population at different times and regions, because of the migrations, may cause the differences between frequencies in these studies. Evaluation of the presence of the Inca bones may be usefull in identification in forensic medicine and paleodermographical studies.

Keywords : Neurocranium; Sutural bones; Inca bones; West Anatolia.

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