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International Journal of Morphology

On-line version ISSN 0717-9502


RAMIREZ, L. M  and  BALLESTEROS, L. E. Human's Stape Anthropometry: A Direct Anatomic Study. Int. J. Morphol. [online]. 2012, vol.30, n.4, pp.1295-1300. ISSN 0717-9502.

There is a modest database about morphological data for the stapes in humans. Its preliminary characterization is important when compared with other ancestral times and also in the study of a complex oscicular biomechanics. Paired and structural characteristics of the stapes were registered in 23 bones of Colombian adult mestizo population. Registered measures involved the lenticular incudo-stapedial joint; the anterior and posterior processes of the stapes; and the footplate dimensions. Five of the sixteen records taken in this study could be carefully compared to other results. The five comparable measures were: the total length of the footplate with 2.87 SD 0.09 mm; the widest footplate zone with 1.36 SD 0.09 mm; the stape's total length with 0.15 SD 3.18 and internal interprocesses length with 1.65 SD 0.17; and the arc height with 1,82 SD 0,19. Anterior and posterior angulation of the stape processes was 29.01 SD 2.93 degrees. In accordance with the studied population the measures cannot show individually or paired variations in the anatomy of the stapes, making it a uniform and morphometrically stable bone.

Keywords : Oscicles; stapes; footplate; lenticular joint; incudo-stapedial joint; anterior process; posterior process.

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