Comparison of anatomy and histology of urinary system in species of Laudakia nupta, Trapelus agilis and Lacerta media

Articles in Press

Document Type : (original research)

Authors

Department of Biology, Faculty of Science, Razi University, Kermanshah

10.22034/aej.2020.257603.2408

Abstract

This study examines and compares the anatomical and histological structure of the urinary tract in three species of lizards Laudakia nupta, a rock-dweller, Trapelus agilis a desert inhabitant and Lacerta media that lives in temperate regions. A total of 12 specimens of Laudakia nupta and Lacerta media were collected from Sahneh and Eslamabad Gharb counties (Kermanshah Province) and population referred to Trapelus agilis from Shadegan county (Khuzestan Province). Collected samples were anesthetized with chloroform and dissected. After an anatomical examination, the urinary system was removed from the body and processed for microscopic studies. The obtained microscopic results showed that the renal system in the studied lizards differs in the relative number of renal corpuscles according to the habitat, so that the number of the corpuscles is directly related to the biological area of lizards. The number of renal corpuscless in Trapelus agilis, which is an arid-dweller species, is very small with small glomeruli scattered at a great distance from each other. It was seen, but in Lacerta media, which is a temperate-resident species, the renal corpuscles are observed in greater numbers with a short distance from each other. The results showed that in lizards which live in dry areas kidneys have adapted to be able to retain body water as much as possible.

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Journal of Animal Environment

Articles in Press, Corrected Proof
Available Online from 04 October 2021

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