Immunocytochemical study of the lung of domestic fowl and pigeon: endocrine cells and nerves |
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Authors: | J. López M. A. Barrenechea M. A. Burrell P. Sesma |
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Affiliation: | (1) Department of Histology and Pathology, Faculties of Science and Medicine, University of navarra, Apdo. 273, E-31080 Pamplona, Spain |
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Abstract: | the presence of endocrine cells and nerves in the lung of 2 avian species (Gallus gallus and Columba livia domestica) has been studied by peroxidase-antiper-oxidase (PAP) and avidin-biotin complex (ABC) immunocytochemical methods at the light-microscopic level. Two immunoreactive cell-types have been identified in the epithelium of the primary and secondary bronchi of chick lung: serotonin- and bombesin-immunoreactive cells; and 3 cell-types, namely, serotonin-, bombesin- and CGRP-(calcitonin gene related peptide) immunoreactive cells, have been located in the bronchial epithelium of pigeon lung. Co-localization of 2 different immunoreactivities within the same cell has not been detected. VIP-immunoreactive nerves have been observed in different locations in chick lung. |
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Keywords: | Endocrine cells, pulmonary Regulatory peptides Lung Immunocytochemistry Domestic fowl Domestic pigeon |
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