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Background. Enormous diversities exist regarding shape, number, and arrangement of the olfactory lamellae, distribution of the sensory and non-sensory epithelium as well as the abundance of various receptor cells among different teleosts. This study was aimed at describing the morphology, histology and SEM ultrastructure of the olfactory epithelium of a spotted snakehead fish, Channa punctatus (Bloch,...
The stratified epithelial cells of the buccopharynx and oesophagus are provided with simple and unbranched microridges in Notopterus notopterus. On the contrary, highly complex microridges on the epithelial cells of buccopharynx and oesophagus are characteristic feature of Orenchromis mossambicus. In both the fishes the gastric mucosa is provided with various minor folds forming empty concavities...
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