Bulbar Pathway for Parasympathetic Reflex Vasodilatation in Orofacial Area

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Abstract

The trigeminal somatic stimulation has been reported to evoke a parasympathetic reflex vasodilatation in the various orofacial areas such as lip, tongue, salivary glands (submandibular and parotid glands) and palate. The vasodilatations in the lip, tongue, and salivary glands occurred predominantly in the ipsilateral side to the stimulation, however, the vasodilatation in the palate was observed in the both (ipsilateral and contralateral) sides. This review is to describe the possible neural network within the brain stem A) of the ipsilateral parasympathetic reflex vasodilatation in the lower lip, and B) of the contralateral reflex vasodilatation in the palate when the central cut end of the lingual nerve was electrically stimulated for the trigeminal somatic stimulation.

Original languageEnglish
Pages (from-to)221-229
Number of pages9
Journaljournal of oral biosciences
Volume47
Issue number3
DOIs
Publication statusPublished - 2005 Jan 1

Keywords

  • autonomic ganglion blocker
  • autonomic reflex
  • kainic acid
  • lidocaine
  • trigeminal spinal nucleus

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Dentistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)

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