<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Characteristic features of histology and fine morphology of the olfactory organ in the tank goby, <italic>Glossogobius giuris</italic> (Perciformes, Gobiidae, Gobiinae), were investigated with light and scanning electron microscopy. The olfactory cavity contained single lamellae that were exposed to the aquatic environment by small anterior and posterior nostrils. Typical olfactory rosettes were not observed. Histologically, each lamella consisted of two layers of epithelium; wrapping the central core that was composed of connective tissue stroma with nerve fibers and blood capillaries. The mucosal lining of lamella was merged with sensory and non-sensory olfactory cells, identified on the basis of structural characters, surface specializations, and staining features. The principal sensory elements were ciliated receptor cells that were characterized by apical dendritic processes expanded from cell soma and microvillous receptor cells equipped with multiple tiny dendrons on the mucosal surface. The bead-like appearance of several labyrinth cells, mucous cells with secreted mucin, scattered lymphatic cells, stratified epithelial cells bearing microfolds, and condensed ciliated supporting cells were observed in the non-sensory epithelia. Undifferentiated basal cells were embedded in the deeper zone of the epithelium above the basement membrane. The cellular organization of the olfactory lining was interpreted with chemoreception of the fish concerned.</p></abstract>

Characteristic features of histology and fine morphology of the olfactory organ in the tank goby, Glossogobius giuris (Perciformes, Gobiidae, Gobiinae), were investigated with light and scanning electron microscopy. The olfactory cavity contained single lamellae that were exposed to the aquatic environment by small anterior and posterior nostrils. Typical olfactory rosettes were not observed. Histologically, each lamella consisted of two layers of epithelium; wrapping the central core that was composed of connective tissue stroma with nerve fibers and blood capillaries. The mucosal lining of lamella was merged with sensory and non-sensory olfactory cells, identified on the basis of structural characters, surface specializations, and staining features. The principal sensory elements were ciliated receptor cells that were characterized by apical dendritic processes expanded from cell soma and microvillous receptor cells equipped with multiple tiny dendrons on the mucosal surface. The bead-like appearance of several labyrinth cells, mucous cells with secreted mucin, scattered lymphatic cells, stratified epithelial cells bearing microfolds, and condensed ciliated supporting cells were observed in the non-sensory epithelia. Undifferentiated basal cells were embedded in the deeper zone of the epithelium above the basement membrane. The cellular organization of the olfactory lining was interpreted with chemoreception of the fish concerned.

Histoanatomy and surface ultrastructure of the olfactory organ of the freshwater tank goby, <italic>Glossogobius giuris</italic> (Hamilton, 1822)

Department of Zoology, Bejoy Narayan Mahavidyalaya

Fisheries & Aquatic Life

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Histoanatomy and surface ultrastructure of the olfactory organ of the freshwater tank goby,  (Hamilton, 1822)

Characteristic features of histology and fine morphology of the olfactory organ in the tank goby, Glossogobius giuris (Perciformes, Gobiidae, Gobiinae), were...

Histoanatomy and surface ultrastructure of the olfactory organ of the freshwater tank goby, Glossogobius giuris (Hamilton, 1822)

Article Category: Research Article

Published Online: Nov 18, 2020

Page range: 141 - 148

Received: Jul 09, 2020

Accepted: Sep 07, 2020

DOI: https://doi.org/10.2478/aopf-2020-0017

Keywords
Gobiid fish, olfactory structure, morphoanatomy, histology, olfaction

© 2020 Saroj Kumar Ghosh, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Histoanatomy and surface ultrastructure of the olfactory organ of the freshwater tank goby, Glossogobius giuris (Hamilton, 1822)

Article Category: Research Article

Published Online: Nov 18, 2020

Page range: 141 - 148

Received: Jul 09, 2020

Accepted: Sep 07, 2020

DOI: https://doi.org/10.2478/aopf-2020-0017

KeywordsGobiid fish, olfactory structure, morphoanatomy, histology, olfaction

© 2020 Saroj Kumar Ghosh, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Gobiid fish, olfactory structure, morphoanatomy, histology, olfaction