Morphological and optical properties and evolutionary changes of tentacular epidermis and cornea of the eyes of terrestrial gastropod molluscs (Pulmonata, Stylommatophora)

Irina P. Shepeleva

Abstract


Morphological and optical properties were studied and also evolutionary changes of tentacular epidermis and cornea of the eyes of some species of terrestrial gastropod pulmonate molluscs were estimated. It was demonstrated that all examined properties of tentacular epidermis and cornea are typical for terrestrial pulmonates. In the course of evolution tentacular epidermis of terrestrial pulmonate molluscs was modified less than cornea, and both of these structures were underwent minor changes in comparison with analogous structures of the eyes of marine prosobranch molluscs.

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