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The Journal of Basic and Applied Zoology
Fig. 3 | The Journal of Basic and Applied Zoology

Fig. 3

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

Fig. 3

Photomicrographs of the semithin sections of the olfactory lamella in E. vacha stained with toluidine blue (TB). A Transverse section of olfactory lamella (OL) proliferated from raphe (R) shows olfactory epithelium (OEP) and central core (arrows). B OL shows nonsensory epithelium (NSE) containing ciliated supporting cells (arrow heads), labyrinth cells (broken arrows), mast cells (M), and basal cells (BC). CC supported with blood vessels (BV) segregates from OEP by basement membrane (solid arrows). C Magnified sensory OEP illustrates primary receptor cells (solid arrows) synaptic connection with secondary receptor cells (arrow heads), microvillar cells (broken arrows), and rod cells (RD). Note presence of BV in CC, which is distinguished from OEP by BM. K for olfactory knob (K), BC for basal cells, and LC indicates labyrinth cells. D Higher magnification of nonsensory OEP portrayed with mast cells (M), labyrinth cells (broken arrows), ciliated supporting cell (solid arrow), and nonciliated supporting cells (SC). CC contains BV

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