On the distribution of elastic fibers in the filiform papillae of Suncus murinus.

T. Yamamoto, S. Kondo, H. Nagai

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The distribution of elastic fibers in the filiform papillae of 1, 2, 3, 4 and 5 week-old and 6 month-old Suncus (Suncus murinus; insectivora) was examined by both Weigert's resorcin-fuchsin method and ultrastructural means. In the adult Suncus (6 months old), elastic fibers in the connective tissue core of the papillae were aligned perpendicularly to the epithelial surface and formed a palisade-like structure which encircled the margin of each connective tissue core. This characteristic structure was restricted to the filiform papillae in the anterior half of the lingual dorsum. In the filiform papillae of the posterior half, elastic fibers were markedly reduced and the palisade-like structure was not present. This characteristic pattern of elastic fiber distribution was established by 3 weeks of age. These observations reveal a characteristic structure consisting of elastic fibers in the connective tissue core of the filiform papillae and the regional distribution of this structure in the tongue. This suggests that the function of the structure in the connective tissue core is to protect against mechanical stress in mastication. The regional distribution of this structure may reflect the difference of mechanical strength between the anterior and posterior of the tongue caused by tongue movement during mastication.

Original languageEnglish
Pages (from-to)379-384
Number of pages6
JournalJapanese Journal of Oral Biology
Volume31
Issue number4
Publication statusPublished - Aug 1989
Externally publishedYes

Fingerprint

Elastic Tissue
Tongue
Connective Tissue
Fibers
Mastication
Tissue
Insectivora
Rosaniline Dyes
Mechanical Stress
Strength of materials

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

On the distribution of elastic fibers in the filiform papillae of Suncus murinus. / Yamamoto, T.; Kondo, S.; Nagai, H.

In: Japanese Journal of Oral Biology, Vol. 31, No. 4, 08.1989, p. 379-384.

Research output: Contribution to journalArticle

Yamamoto, T. ; Kondo, S. ; Nagai, H. / On the distribution of elastic fibers in the filiform papillae of Suncus murinus. In: Japanese Journal of Oral Biology. 1989 ; Vol. 31, No. 4. pp. 379-384.
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