Microanatomical Studies on the Lungs in Guinea Pigs

Authors

  • S Rajathi 1Department of Veterinary Anatomy, Veterinary College and Research Institute, Tamilnadu Veterinary and Animal Sciences University (TANUVAS), Tirunelveli, 627 358, TN, India
  • K Raja Department of Veterinary Anatomy, College of Veterinary Sciences, SVVU, Tirupati-517 502, Andhra Pradesh, India
  • Geetha Ramesh Department of Veterinary Anatomy, Madras Veterinary College, Chennai-600 007, TANUVAS, Tamil Nadu, India
  • T A Kannan Education Cell, Madras Veterinary College, Chennai-600 007, TANUVAS, Tamil Nadu, India
  • S Ushakumary Veterinary College and Research Institute, Salem-636 112, TANUVAS, Tamil Nadu, India

DOI:

https://doi.org/10.48165/ijvsbt.20.4.03

Keywords:

Alveoli,, Guinea pigs, Histology, Lungs.

Abstract

The present work was undertaken with the aim to study the microanatomy of the lungs of six adult healthy guinea pigs. Animals  were dissected as per CPCSEA norms and lung pieces were taken. The lungs were cut into small pieces and routine histological tissue  processing was done and images were recorded. Histologically lung was covered with visceral pleura and comprised of conductive and  respiratory portions. The parenchymatous portions showed bronchi within the lung, tertiary bronchiole and respiratory bronchioles,  alveolar duct, and sac which possessed alveoli on its walls. The bronchi were lined with pseudostratified ciliated columnar epithelium.  With the bronchi divided from primary to tertiary, the epithelium was changed from respiratory to ciliated simple columnar epithelium  with goblet cells. The respiratory bronchioles were lined by cuboidal epithelium without cilia and goblet cells. The alveolar duct, sac  and alveoli were lined by simple squamous epithelium. The alveoli contained two types of cells namelytype I pneumocytes and type  II pneumocytes. Alveolar macrophages were found. 

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Published

2024-07-01

Issue

Vol. 20 No. 4 (2024): The Indian Journal of Veterinary Sciences and Biotechnology (IJVSBT) 2024

Section

Research Article

License

Copyright (c) 2024 Indian Journal of Veterinary Sciences and Biotechnology

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

How to Cite

Rajathi, S., Raja, K., Ramesh, G., Kannan, T.A., & Ushakumary, S. (2024). Microanatomical Studies on the Lungs in Guinea Pigs. Indian Journal of Veterinary Sciences and Biotechnology, 20(4), 12–16. https://doi.org/10.48165/ijvsbt.20.4.03
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