Electron microscopic studies of the corpuscles of Stannius of an airbreathing teleost (Heteropneustes fossilis) |
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| Authors: | Ahmad M Firoz Alim A Sen N S Lakra G Mishra K P Raza Bushra Chakraborty B Rao N V A Bonga S E Wendelaar |
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| Institution: | (1) Department of Zoology, Ranchi University, 834 008 Ranchi, India;(2) Institute of Cellular Signalling, PO Box 9101, 6500 HB, Nijmegen, The Netherlands |
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| Abstract: | The ultrastructure of the corpuscles of Stannius (CS) ofHeteropneustes fossilis reveals a homogenous cellular composition characterized by only one cell type, with large secretory granules and abundant
ribosomal endoplasmic reticulum. These cells are comparable to the type 1 cell described in the CS of other teleosts; type
2 cells, whose presence is ubiquitous in the CS of freshwater species are absent inH. fossilis. Our data on the CS ofH. fossilis demonstrate that not all freshwater species possess type 2 cells in their CS and these are not essential for life in freshwater. |
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| Keywords: | Cell type corpuscles of Stannius ultrastructure |
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