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The Journal of Basic and Applied Zoology
Fig. 2 | The Journal of Basic and Applied Zoology

Fig. 2

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

Fig. 2

Histomicroscopy of olfactory organ in E. vacha stained with Azan Trichrome (AT), Mallory’s Triple (MT), and Delafield’s hematoxylin-eosin (HE) stain. A Olfactory lamellae (OL) connected with raphe (R) exhibit compact olfactory epithelium (OEP) on both side of midline central core (CC). B OEP contains primary receptor cells (RC), rod receptor cells (solid arrows), labyrinth cells (LC), mast cells (M), basal cells (arrow heads), and ciliated (CSC) and nonciliated supporting cells (SC) (broken arrows). CC provided with blood vessels (BV) and connective tissue fibers (CT). C Basal portion of lamella shows nonsensory epithelium (NSE) with secretory mucous cells (MC), labyrinth cells (broken arrows), M, SC, CSC. CC contains BV (solid arrows). Arrow head marks fila olfactoria. D Part of sensory epithelium (SE) shows primary receptor cells (solid arrows) with nuclei (N) and apical hairs (H), rod receptor cell (asterisks), and microvillous cells (broken arrows). Basement membrane (BM) separates OEP from CC which contains cluster of BV. Arrow heads indicate bipolar neuron

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