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Related Experiment Videos

Porcine lingual taste buds: a quantitative study

A Mack1, A Singh, C Gilroy

  • 1Department of Anatomy and Physiology, Atlantic Veterinary College, Charlottetown, PE, Canada.

The Anatomical Record
|January 1, 1997
PubMed
Summary

This study quantified taste buds in porcine tongues, finding significant differences in taste bud density between fungiform and vallate papillae. These findings are crucial for understanding taste sensitivity variations in omnivores.

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Area of Science:

  • Comparative anatomy
  • Gustatory system research
  • Animal models in nutrition

Background:

  • Taste bud distribution and quantification in pig tongues remain understudied.
  • Pigs serve as a valuable model for human nutrition due to their omnivorous diet.
  • This research addresses a gap in understanding porcine gustatory anatomy.

Purpose of the Study:

  • To quantify fungiform and vallate papillae on porcine tongues.
  • To estimate taste bud density and volume within these papillae.
  • To establish a baseline for taste bud distribution in pigs.

Main Methods:

  • Analysis of three adult pig tongues obtained from a local abattoir.
  • Histological preparation of serial 15-micron sections stained with Hematoxylin and Eosin.

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  • Utilized a Bioquant system for estimating taste bud density and papilla volume.

    • Main Results:

    • Identified 850-826 fungiform papillae and 1-2 vallate papillae per tongue.
    • Fungiform papillae had fewer taste buds dorsally (3.88/papilla) than laterally (22.11/papilla).
    • Vallate papillae contained significantly more taste buds (mean 732.67/papilla) and higher density per volume than fungiform papillae.

    Conclusions:

    • Significant regional variations in taste bud distribution exist on the pig tongue.
    • Results provide foundational data for taste sensitivity studies in omnivorous species.
    • Highlights the importance of papilla type and location in gustatory perception.