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Histological Study In The Digestive Tract On Larval Development Of Rainbow Trout ( Oncorhynchus Mykiss, Walbaum, 1792), Mustafa Sarieyyüpoğlu, Aydin Gi̇rgi̇n, Si̇bel Şi̇mşek
Histological Study In The Digestive Tract On Larval Development Of Rainbow Trout ( Oncorhynchus Mykiss, Walbaum, 1792), Mustafa Sarieyyüpoğlu, Aydin Gi̇rgi̇n, Si̇bel Şi̇mşek
Turkish Journal of Zoology
In this study the development of the digestive tract of newly hatched rainbow trout ( Oncorhynchus mykiss) larvae were examined. The digestive tract was attached to the anus a few hours after hatching. On the second day their mouths were open and the differentiation in the esophagus started. Mucosal folds contained a large quantity of cubic epithelium and goblet cells. Goblet cells were stained positively with Alcian blue and also stained negatively with P.A.S. The wall of the esophagus consisted of a circular muscle layer and a thin tunica serosa. It was possible to see a thin longitudinal muscle layer …