Phylogenetic studies on the architectural features of Amphibian (bufo regularis) and mammalian (oryctolagus cuniculus) kidneys
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The results of the present study revealed that mesonephric and metanephric kidneys of both the anamniotes (Bufo regularis) and the amniotes (Oryctolagus cuniculus) vertebrates respectively differ morphologically, anatomically and histologically. The structural organization of toad and rabbit kidneys was studied with the light microscope (LM) along with a microdissection technique. In the toad, the kidneys are paired attenuate mesonephric organs and have mesonephric segmental construction. On the other hand, rabbit kidneys are paired bean-shaped structures. Each is composed of elemental units called renal lobules. These lobules are made up of nephrons, three main types of nephron populations were characterized according to the localization of their glomeruli within the cortex. Marked differences between the toad and the rabbit were observed in the number and diameter of renal corpusles and in their size. Also, marked variations were seen in the tubular organization of both species.
- Qatar University Science Journal - [From 1981 TO 2007] [770 items ]