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Acta anatomica1976; 94(2); 262-282;

[Comparative study of tracheal epithelium of different mammals].

Abstract: Tracheal epithelia of ten different mammals were investigated with the light and the electron microscope. Characteristic differences were found concerning the thickness of the epithelia, the length of the cilia, the density of the cells in the epithelia, the numerical distribution of the different cells and their ultrastructure. Special attention was paid to the morphology of the kinetosomes. Brush cells and chromaffin cells, which are sparsely distributed in the different tracheal epithelia, were discussed.
Publication Date: 1976-01-01 PubMed ID: 961348
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Summary

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The research article involves a detailed examination of the tracheal epithelium in ten different mammals using both light and electron microscope. The study deals with the differences observed in epithelial thickness, cilia length, cell density, cell distribution, and overall ultrastructure. Special considerations were given to kinetosome morphology, as well as the distribution of brush and chromaffin cells.

Microscopic Examination of Tracheal Epithelium

  • Light and electron microscopes were used in this study to closely observe the tracheal epithelium of ten different mammals. The tracheal epithelium is a crucial component of the respiratory tract, and as such, understanding its distinct characteristics across different species aids in bettering our biological and medical knowledge.
  • Epithelial thickness, the length of the cilia, the density of cells present, numerical distribution of various cells, and cell ultrastructure were the key points of investigation. By comparing these aspects in different mammals, researchers hoped to identify characteristic differences that could further their understanding of species-specific respiratory functions and mechanisms.

Focus on Kinetosomes, Brush Cells, and Chromaffin Cells

  • Special emphasis was placed on the morphology of the kinetosomes in the study. Kinetosomes, which are spherical or ellipsoidal organelles found in centrioles, play a significant role in cell division and movement. Their structure and function are crucial to the overall health and functionality of the cells, and thus, the trachea’s epithelium.
  • Brush cells and chromaffin cells, which are less frequently found in different tracheal epithelia, have also been considered in this study. Brush cells are highly specialized epithelial cells associated with sensory transmission, while chromaffin cells are part of the neuroendocrine system and are most commonly found in the adrenal medulla. Their presence in the tracheal epithelium could suggest unique communicative and regulatory functions within the respiratory tract of different creatures.

Cite This Article

APA
Pavelka M, Ronge HR, Stockinger G. (1976). [Comparative study of tracheal epithelium of different mammals]. Acta Anat (Basel), 94(2), 262-282.

Publication

ISSN: 0001-5180
NlmUniqueID: 0370272
Country: Switzerland
Language: ger
Volume: 94
Issue: 2
Pages: 262-282

Researcher Affiliations

Pavelka, M
    Ronge, H R
      Stockinger, G

        MeSH Terms

        • Anatomy, Comparative
        • Animals
        • Cats
        • Cattle
        • Cell Count
        • Cilia / ultrastructure
        • Cricetinae
        • Epithelial Cells
        • Epithelium / ultrastructure
        • Guinea Pigs
        • Horses
        • Humans
        • Mammals / anatomy & histology
        • Mice
        • Rabbits
        • Rats
        • Species Specificity
        • Swine
        • Trachea / cytology
        • Trachea / ultrastructure

        Citations

        This article has been cited 10 times.
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        9. Radner W, Stockinger L. Intracellular axonemes within ciliated cells in the tracheal epithelium of domestic pigs.. J Anat 1992 Feb;180 ( Pt 1)(Pt 1):25-30.
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