Histological Overview of Trachea and Lung Tissue: Structures and Epithelial Lining

Dec 10, 2025

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This presentation provides a detailed histological examination of the trachea and lung tissue. It highlights the trachea's structure, including the trachealis muscle, hyaline cartilage, and mucosa lined with pseudostratified ciliated columnar epithelium. Additionally, the lung tissue is explored, showing various bronchial segments with alveoli lined by simple squamous epithelium. The differentiation of bronchi is detailed, covering intrapulmonary bronchioles, terminal bronchioles, and respiratory bronchioles, each with distinct epithelial linings.

1 trachea histology 2 lung structure 3 epithelial lining 4 pseudostratified epithelium 5 alveoli 6 bronchial segments 7 hyaline cartilage 8 respiratory system text

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Histological Overview of Trachea and Lung Tissue: Structures and Epithelial Lining

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Presentation Transcript

Lab histology By: hadeel & merna
1- Trachea
Trachealis muscle Hayaline cartilage Pseudostratified ciliated columnar ep.
ID: 1- mucosa with pseudostratified ciliated columnar epithelium 2- hyaline cartilage 3- trachealis muscle (if u see it )
2- Lung: lung tissue showing deferent bronchial segments …
Alveoli lined by simple squamous ep. bronchi Alveolar duct
ID: • Presence of alveoli lined by squamous epithelium • Deferent levels of bronchi : • intra pulmonary bronchioles lined by psuedostritified ciliated columnar ep. • terminal bronchioles lined by simple columnar ep. • respiratory bronchioles lined by simple cuboidal ep.