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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

SALDARRIAGA TELLEZ, Bladimir; CORZO GOMEZ, Edgar Giovanni; NINO, Oscar Javier  and  FORERO PORRAS, Pedro Luis. Asymmetry of Laryngeal Ventricle: A Direct Anatomical Study in Cadavers. Int. J. Morphol. [online]. 2016, vol.34, n.3, pp.1092-1096. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022016000300045.

For its anatomical location in the neck, its functional role in breathing in phonation and its importance in the process of endotracheal intubation, the morphological characterization of the larynx is of great importance in the field of morphology, speech therapy and clinical specialties such as otolaryngology and anesthesia. In a sample of 16 larynges fixed in formalin at the amphitheater of the Universidad Autónoma de Bucaramanga., the lengths of the cartilaginous structures were recorded, comparing the right side and the left side. No significant differences in the cartilaginous structures of the larynx in reference to side (asymmetry) was found except amplitude of laryngeal ventricle. The depth of the laryngeal ventricle at the midpoint was measured; the right laryngeal ventricle showed an average depth of 2.50 mm. and left 2.31 mm, showing significant difference (p = 0.0102). The differences are due to the vestibular and vocal folds; samples in the folds are flattened, making the amplitude uniform, in other folds they are shaped italic S, causing variations in the depth of the ventricle. Given that the amplitude of the laryngeal ventricle varies depending on the functional state of the larynx, either during respiration or phonation, this finding represents an important contribution to motivate studies, with larger size sample, in other population groups and functional studies to determine whether variations in space have an effect on phonation.

Keywords : Laringeal ventricle ; Laryngeal assymetry; Laryngeal morphometry.

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