The Nasal Cavity of the Sheep and its Olfactory Sensory Epithelium

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Liste des auteurs: Barrios AW, Quinteiro PS, Salazar I
Editeur: Wiley: 12 months
Année de publication: 2014
Numéro du volume: 77
Numéro de publication: 12
Page d'accueil: 1052
Dernière page: 1059
Nombre de pages: 8
ISSN: 1059-910X
Languages: Anglais-Royaume-Uni (EN-GB)


Résumé

Macro and microdissection methods, conventional histology and immunohistochemical procedures were used to investigate the nasal cavity and turbinate complex in fetal and adult sheep, with special attention to the ethmoturbinates, the vestibular mucosa, and the septal mucosa posterior to the vomeronasal organ. The ectoturbinates, which are variable in number and size, emerge and develop later than the endoturbinates. The olfactory sensory epithelium is composed of basal cells, neurons, and sustentacular cells organized in strata, but numerous different types are distinguishable on the basis of their thickness and other properties; all variants are present on the more developed turbinates, endoturbinates II and III. Mature neurons and olfactory nerve bundles express olfactory marker protein. We found no structure with the characteristics that in mouse define the septal organ or the ganglion of Gruneberg. Our results thus suggest that in sheep olfactory sensory neurons are exclusively concentrated in the main olfactory epithelium and (to a lesser extent) in the vomeronasal organ. Microsc. Res. Tech. 77:1052-1059, 2014. (c) 2014 Wiley Periodicals, Inc.


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Dernière mise à jour le 2019-23-08 à 11:15