The Microanatomy of Regenerated Bristled Receptors of Two Gecko Species, Cyrtopodion fedtschenkoi and Sphaerodactylus roosevelti (Reptilia: Gekkonidae)

Tatjana N. Dujsebayeva


The microanatomy of regenerated cutaneous bristled receptors of two geckos, Cyrtopodion fedtschenkoi and Sphaerodactylus roosevelti, were described and compared with the same data on the iguanian lizards. The small receptors of the geckos examined (13 – 19 μm in diameter) consist of a dermal papilla and one or two modified germinative cells. Every receptor has up to three very thin bristles of an acellular structure. Comparison of the size, microanatomy and histochemistry of regenerated bristles in the receptors of agamids, Madegascan iguanas, and geckos makes it possible to assume the independent origin of the bristled receptors in the lizard groups listed.


integument; cutaneous receptors; microanatomy; Gekkonidae

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