Spacing patterns on tongue surface-gustatory papilla

Hansung Jung, Keiichi Akita, Jae Young Kim

Research output: Contribution to journalReview article

33 Citations (Scopus)

Abstract

The dorsal surface of the mammalian tongue is covered with four kinds of papillae, fungiform, circumvallate, foliate and filiform papillae. With the exception of the filiform papillae, these types of papillae contain taste buds and are known as the gustatory papillae. The gustatory papillae are distributed over the tongue surface in a distinct spatial pattern. The circumvallate and foliate papillae are positioned in the central and lateral regions respectively and the fungiform papillae are distributed on the anterior part of the tongue in a stereotyped array. The patterned distribution and developmental processes of the fungiform papillae indicate some similarity between the fungiform papillae and the other epithelial appendages, including the teeth, feathers and hair. This is because 1) prior to the morphological changes, the signaling molecules are expressed in the fungiform papillae forming area with a stereotyped pattern; 2) the morphogenesis of the fungiform papillae showed specific structures in early development, such as epithelial thickening and mesenchymal condensation and 3) the fungiform papillae develop through reciprocal interactions between the epithelium and mesenchymal tissue. These results led us to examine whether or not the early organogenesis of the fungiform papillae is a good model system for understanding both the spacing pattern and the epithelial-mesenchymal interaction during embryogenesis.

Original languageEnglish
Pages (from-to)157-161
Number of pages5
JournalInternational Journal of Developmental Biology
Volume48
Issue number2-3
DOIs
Publication statusPublished - 2004 Jul 5

Fingerprint

Tongue
Taste Buds
Feathers
Organogenesis
Morphogenesis
Embryonic Development
Tooth
Epithelium

All Science Journal Classification (ASJC) codes

  • Embryology
  • Developmental Biology

Cite this

Jung, Hansung ; Akita, Keiichi ; Kim, Jae Young. / Spacing patterns on tongue surface-gustatory papilla. In: International Journal of Developmental Biology. 2004 ; Vol. 48, No. 2-3. pp. 157-161.
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Spacing patterns on tongue surface-gustatory papilla. / Jung, Hansung; Akita, Keiichi; Kim, Jae Young.

In: International Journal of Developmental Biology, Vol. 48, No. 2-3, 05.07.2004, p. 157-161.

Research output: Contribution to journalReview article

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AB - The dorsal surface of the mammalian tongue is covered with four kinds of papillae, fungiform, circumvallate, foliate and filiform papillae. With the exception of the filiform papillae, these types of papillae contain taste buds and are known as the gustatory papillae. The gustatory papillae are distributed over the tongue surface in a distinct spatial pattern. The circumvallate and foliate papillae are positioned in the central and lateral regions respectively and the fungiform papillae are distributed on the anterior part of the tongue in a stereotyped array. The patterned distribution and developmental processes of the fungiform papillae indicate some similarity between the fungiform papillae and the other epithelial appendages, including the teeth, feathers and hair. This is because 1) prior to the morphological changes, the signaling molecules are expressed in the fungiform papillae forming area with a stereotyped pattern; 2) the morphogenesis of the fungiform papillae showed specific structures in early development, such as epithelial thickening and mesenchymal condensation and 3) the fungiform papillae develop through reciprocal interactions between the epithelium and mesenchymal tissue. These results led us to examine whether or not the early organogenesis of the fungiform papillae is a good model system for understanding both the spacing pattern and the epithelial-mesenchymal interaction during embryogenesis.

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