APUD-type recepto-secretory cells in the chicken lung
- 1 September 1979
- journal article
- research article
- Published by Springer Nature in Cell and tissue research
- Vol. 201 (2) , 197-205
- https://doi.org/10.1007/bf00235057
Abstract
Summary The epithelium of the intrapulmonary airways of the chicken lung has been studied by fluorescence and electron microscopy. Numerous intensely yellow-fluorescent cells occur in the epithelium of the primary and secondary bronchi. The cell cytoplasm contains characteristic granular vesicles with an electron-dense central core. The vesicles react positively to chromaffm and argentaffin treatment, indicating that they are possible storage sites for amines. Synapse-like junctions occur between the granular cells and the intraepithelial nerve endings, filled with numerous mitochondria, suggesting that these granular cells may have a dual function as both receptor and endocrine cell.Keywords
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