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International Journal of Morphology

On-line version ISSN 0717-9502


YANG, Chun et al. Histology and Immunocytochemical Localization of Glial Fibrillary Acidic Protein in the Inner Ear of Scincella tsinlingensis. Int. J. Morphol. [online]. 2021, vol.39, n.2, pp.497-505. ISSN 0717-9502.

The microstructure of inner ear in Scincella tsinlingensis was observed by light microscopy and the expression of glial fibrillary acidic protein (GFAP) in membranous labyrinth among the juvenile age group, subadult age group and adult age group were also detected by methods of immunohistochemistry. The inner ear in S. tsinlingensis resembled those in other Scincid lizards in their anatomy and histology. Large and elongate cochlear duct was slightly bowed or arched laterally. There was no hint of limbic modifications and the limbic lip was absent in cochlear recess. The basilar papilla elongated anteroventrally possessed specialized tectorial sallets. GFAP staining was significantly distributed in supporting cells of the sensory epithelia of cochlear duct, while the utricular macula and canal ampullae showed immunopositive for the GFAP antibody, with weaker staining in the saccular macula. The membranous inner ear of three different age groups revealed the similar pattern of GFAP expression, which suggested that the distribution of supporting cells were independent of age in S. tsinlingensis.

Keywords : Scincella tsinlingensis; Inner ear; Histology; Supporting cells.

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