In collaboration with Payame Noor University and Iranian Society of Physiology and Pharmacology

Document Type : Article

Authors

1 . Instructor, Department of Marine Biology, Faculty of Marine Science, Khoramshahr Marine Science and Technology University, Iran

2 Assistant Professor, Department of Marine Biology, Faculty of Marine Science, Khoramshahr Marine Science and Technology University, Iran

3 Associate Profesor, Department of Physiology and Histology, Dr Dadman International Sturgeon Research Institute of Rasht, Iran

4 Professor, Department of Marine Biology, Faculty of Marine Science, Khoramshahr Marine Science and Technology University, Iran

Abstract

In this study cartilage tissue of vertebral column and dorsal fin of 40 days, 70 days, one and 4 years old of Persian sturgeon after preparation were fixed in buen fixative. Then rutin procedure of histologicql examination done and paraffin blocks cut at 6 microne and then stained with H&E, Safranin-O and Verhoff staining. In photomicrographs were compared cell structure and compounds of substance grounds in cartilage tissues. It showed that perichondrium layer of dorsal fin was more advanced from perichondrium layer of vertebral column and their mixture were different. Microscopic masurement of two cartilage tissue showed the cells of dorsal fin were larger than the cells of vertebral column but in cells number, decrised with physiological maturation. Comparative study of volume of extracellular matrix and number of isogenous groups by SPSS software showed that growth of cartilage tissue of vertebral column was interstitial but in dorsal fin was appositional.
 

Keywords

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