Ultrastructural characterization of the olfactory organ in glass eels, Anguilla anguilla (Osteichthyes, Anguilliformes)

The ultrastructure of the cell type complement of the olfactory epithelium in glass eels (Anguilla anguilla) is compared with the present knowledge of the olfactory organs in adult eels and in other fish species. In glass eel TEM sections, ciliary and microvillar receptor types are found. These sens...

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Bibliographic Details
Published in:Bolletino di zoologia
Main Authors: CARLA SOLA, GIULIANINI, PIERO GIULIO, FERRERO, ENRICO
Other Authors: Carla, Sola, Giulianini, PIERO GIULIO, Ferrero, Enrico
Format: Article in Journal/Newspaper
Language:English
Published: 1993
Subjects:
Anguilla anguilla
Glass eel
Olfactory epithelium
Olfactory receptor cell
Ultrastructure
Online Access:http://hdl.handle.net/11368/2629840
https://doi.org/10.1080/11250009309355820
http://www.tandfonline.com/doi/abs/10.1080/11250009309355820#preview
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Summary:The ultrastructure of the cell type complement of the olfactory epithelium in glass eels (Anguilla anguilla) is compared with the present knowledge of the olfactory organs in adult eels and in other fish species. In glass eel TEM sections, ciliary and microvillar receptor types are found. These sensory receptors occur on the central area of the lamellae and, in contrast to adults, are also located in lamellar infoldings and along the raphe. Peripherally in the lamellae located deep within the epithelium, more electrondense cell clusters consist of spindle‐shaped and oval cells giving off whorls of insunk cilia. These clusters are interpreted as differentiating units giving rise eventually to ciliated, supporting, and receptor cells.

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