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[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 The Equine Research Bank provides access to a large database of publicly available scientific literature. Inclusion in the Research Bank does not imply endorsement of study methods or findings by Mad Barn.
- English Abstract
- Journal Article
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
Researcher Affiliations
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 11 times.- Kelty J, Kovalchuk N, Uwimana E, Yin L, Ding X, Van Winkle L. In vitro airway models from mice, rhesus macaques, and humans maintain species differences in xenobiotic metabolism and cellular responses to naphthalene. Am J Physiol Lung Cell Mol Physiol 2022 Sep 1;323(3):L308-L328.
- Kummer W, Lips KS, Pfeil U. The epithelial cholinergic system of the airways. Histochem Cell Biol 2008 Aug;130(2):219-34.
- Liu X, Luo M, Guo C, Yan Z, Wang Y, Engelhardt JF. Comparative biology of rAAV transduction in ferret, pig and human airway epithelia. Gene Ther 2007 Nov;14(21):1543-8.
- Krasteva G, Pfeil U, Drab M, Kummer W, König P. Caveolin-1 and -2 in airway epithelium: expression and in situ association as detected by FRET-CLSM. Respir Res 2006 Aug 11;7(1):108.
- Vajner L, Uhlík J, Konrádová V, Klescová A, Adásková J. Local administration of 2% trimecaine affects the content of fucosylated glycoconjugates in goblet cells in rabbit tracheal epithelium. Int J Exp Pathol 2006 Aug;87(4):283-8.
- Dalen H. An ultrastructural study of the tracheal epithelium of the guinea-pig with special reference to the ciliary structure. J Anat 1983 Jan;136(Pt 1):47-67.
- Konrádová V, Tůma S, Kanta J. The effect of Hexabrix tracheobronchography on the ultrastructure of the airway epithelium. Pediatr Radiol 1990;20(6):440-3.
- Rautiainen M, Nuutinen J, Collan Y. Short nasal respiratory cilia and impaired mucociliary function. Eur Arch Otorhinolaryngol 1991;248(5):271-4.
- 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.
- Baldetorp L, Mecklenburg CV, Håkansson CH. Ultrastructural alterations in ciliary cells exposed to ionizing radiation. A scanning and transmission electron microscopic study. Cell Tissue Res 1977 Jun 13;180(4):421-31.
- Fröhlich E. Animals in Respiratory Research. Int J Mol Sci 2024 Mar 1;25(5).
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