Calretinin-immunoreactivity in the oro-facial and pharyngeal regions of the rat

Hiroyuki Ichikawa, David M. Jacobowitz, Tomosada Sugimoto

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Calretinin-immunoreactivity (CR-ir) was examined in the rat oro-facial and pharyngeal tissues using an immunofluoresence method. CR-ir was distributed in the entire size range of trigeminal ganglion neurons. CR-ir was also observed in nerve fibers surrounding neuronal cell bodies in autonomic ganglia, and in nerve endings in the lip, tongue, incisal papilla, soft palate, pharynx and epiglottis. CR-immunoreactive nerve endings were all in close proximity to the epithelium, and classified into 2 types; simple (free nerve ending) and taste-bud-related types. In the salivary gland, positive nerve fibers were seen around large excretory ducts. The present study indicates that viscerosensory (probably including gustatory) nerve fibers innervating the oral and pharyngeal tissues contain CR, while somotosensory nerve fibers innervating the facial skin are devoid of CR.

Original languageEnglish
Pages (from-to)155-158
Number of pages4
JournalNeuroscience Letters
Volume146
Issue number2
DOIs
Publication statusPublished - Nov 9 1992

Fingerprint

Calbindin 2
Nerve Fibers
Nerve Endings
Autonomic Ganglia
Taste Buds
Epiglottis
Soft Palate
Trigeminal Ganglion
Lip
Pharynx
Salivary Glands
Tongue
Epithelium
Neurons
Skin

Keywords

  • Calretinin
  • Nerve ending
  • Oro-facial tissue
  • Otic ganglion
  • Pharynx
  • Submandibular ganglion
  • Superior cervical ganglion
  • Trigeminal ganglion

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Calretinin-immunoreactivity in the oro-facial and pharyngeal regions of the rat. / Ichikawa, Hiroyuki; Jacobowitz, David M.; Sugimoto, Tomosada.

In: Neuroscience Letters, Vol. 146, No. 2, 09.11.1992, p. 155-158.

Research output: Contribution to journalArticle

Ichikawa, Hiroyuki ; Jacobowitz, David M. ; Sugimoto, Tomosada. / Calretinin-immunoreactivity in the oro-facial and pharyngeal regions of the rat. In: Neuroscience Letters. 1992 ; Vol. 146, No. 2. pp. 155-158.
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