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  • Title: Neurons of the olfactory organ projecting to the caudal telencephalon and hypothalamus: a carbocyanine-dye labelling study in the brown trout (Teleostei).
    Author: Anadón R, Manso MJ, Rodríguez-Moldes I, Becerra M.
    Journal: Neurosci Lett; 1995 May 26; 191(3):157-60. PubMed ID: 7644137.
    Abstract:
    The caudal extrabulbar projections and their neurons of origin in the trout were studied after carbocyanine-dye (DiI) labelling in either the olfactory organ or the caudal telencephalon. DiI application to the caudal telencephalon labelled bipolar neurons in the olfactory epithelium, where they were sparsely distributed throughout the olfactory lamellae. Labelled fibres ran scattered in the olfactory nerve without forming bundles. DiI application to the olfactory organ labelled extrabulbar projections to the ventral telencephalon, preoptic region and tuberal hypothalamus. These results confirm that primary sensory fibres running in the medial olfactory tract of trout have an olfactory origin.
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