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Fig. 3 | Applied Microscopy

Fig. 3

From: Microscopic research on the olfactory organ of the Far Eastern brook lamprey Lethenteron reissneri (Pisces, Petromyzontidae)

Fig. 3

Histological characteristics of the olfactory epithelium of Lethenteron reissneri, stained with hematoxylin and eosin (a, c, e, g) and Masson’s trichrome. a, b), the main olfactory epithelium consisting of the sensory and non-sensory epithelium; c, d), the sensory epithelium with olfactory receptor neurons, supporting cells and basal cells; e, f), the non-sensory epithelium having columnar epithelial cells and plasma cells; g, h), the accessory olfactory organ with olfactory receptor neurons. AOO, accessory olfactory organ; BC, basal cell; CC, cuboidal epithelial cell; CEC, columnar epithelial cell; CT, cartilaginous tissue; FO, fila olfactoria; L, lamellae; MOE, main olfactory epithelium; NSE, non-sensory epithelium; ORN, olfactory receptor neuron; PC, plasma cell; red arrow; accessory olfactory organ; SC, supporting cell; SE, sensory epithelium. Bars indicate 200 μm in a, b, g and 50 μm in c, d, e, f, h, respectively

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