Central projections of trigeminal primary afferents innervating the nasal mucosa: a horseradish peroxidase study in the rat.


The respiratory region of the nasal mucosa is innervated by the ethmoidal nerve. Chemical nociceptive stimulation of this area leads to upper airway reflexes that prevent access of noxious substances to the respiratory tract and the lungs. In the present study we examined the localization of the cell bodies of the respective primary afferent fibres within… (More)


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