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Fig. 4 | The Journal of Basic and Applied Zoology

Fig. 4

From: The olfactory organ of schilbid catfish Eutropiichthys vacha (Hamilton, 1822): morphological and ultrastructural studies

Fig. 4

Photomicrographs of the topological view of olfactory epithelia of E. vacha by scanning electron microscopy (SEM). A Dorsal view of gross olfactory rosette furnishes olfactory lamellae (OL) with linguiform processes (L) emitted from raphe (arrow). B Alignment of sensory (SE) and nonsensory (NSE) epithelium on OL. C Sensory islet of linguiform process (L) shows dendrite tips of ciliated receptor cells (RC), rod cells (RD) (solid arrows), and microvillous cells (arrow heads). Note the presence of ciliated supporting cells (CSC) and labyrinth cells (LC) (broken arrows). D Lateral surface of lamella shows sensory epithelium with RC, rod cells (solid arrows), and microvillous cells (arrow heads), and nonsensory epithelium contains CSC and labyrinth cells (broken arrows). E Surface of nonsensory mucosa illustrates dense aggregation of ciliated supporting cells (CSC) and nonciliated supporting cells (SC). Arrow marks mucin masses. F Close up view of raphe exhibits SC with conspicuous microridges (arrow heads) and elevated mucous cell (broken arrows). Note the presence mucin balls (solid arrows) over SC

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