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Fig. 5 | The Journal of Basic and Applied Zoology

Fig. 5

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

Fig. 5

Photomicrographs of the olfactory lining of E. vacha by transmission electron microscopy (TEM). A Sensory epithelium (SE) contains ciliated receptor cell (solid arrow), microvillous receptor cells (MV), and rod cell (broken arrow) while nonsensory epithelium (NSE) with nonciliated supporting cell (SC), ciliated supporting cell (CSC), and mucous cell (arrow head). B Sensory part shows MV with minute microvilli (asterisks), ciliated RC with dendrite process of (solid arrow) arises from basal body (broken arrow) and centrioles (CE). RC exhibits junctional complex (J) with neighboring cells. Arrow heads indicate cross section of cilia. C Sensory epithelium illustrates MV with electron opaque vesicles (EOV), minute microvilli (arrow heads), and pinocytotic invagination (PI) on apical surface. Rod cell (RD) exhibits spike-like projection having parallel arranged microfilaments (F) emerged from basal body (solid arrow), centriole (broken arrow), and electron-dense vesicle (broken arrow). D Transverse section of cilia shows 9 pairs of peripheral microtubules (broken arrows) and 2 central ones (solid arrows). E Nonsensory mucosa shows basal cells (BC) with nuclei (N), mast cells (solid arrows), and mucous cell (MC) with dense granules (DG) and vacuoles (arrow heads). Note the basement membrane (BM) in between mucosa and central core (CC). F Nucleus (N) of basal cells having fragmented heterochromatin (arrow heads) surrounded by rough endoplasmic reticulum (RER). Note the presence of mitochondria (solid arrows) and Golgi apparatus (G) and secretory vesicle (broken arrow) adjacent to nucleus

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