Document Type : Research Paper
Authors
Department of Anatomy and Histology, College of Veterinary Medicine, University of Al-Qadisiyah, Al-Diwaniyah City, Iraq.
Abstract
The current exploration was done to study the morphological and histological characteristic features of the lung in the swan geese (Anser cygnoides). For that purpose, the methods included the use of 10 birds. The birds were euthanized, the lungs were collected, and features such as location, relationship, length, weight, and volume were reported. The results revealed that the two tiny lungs seen in swan geese are similar in size and shape, not lobed, flattened, and almost triangular in shape, and bright pink in color. Each lung extended from the craniocaudal and first or second ribs to the seventh rib. The average length of the right and left lungs was 11.88±0.929 and 10.44±0.12 cm, respectively, for males and 11.88±1.095 and 14.1±0.944 cm, respectively, for females, while the average width of the right and left lungs was 4.52±0.133 and 5.4±0.341 cm, respectively, for males and females, and 5.38±0.232 cm, respectively. In the case of histological features, the parabronchial epithelium was simple squamous, and connective tissue bordered the atrium and air capillaries, but smooth muscles were missing. This study reveals the characteristic pictures of the lungs of the swan geese that could be useful for future studies that deal with different sciences.
Keywords
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