Trachea Bronchial Tree and Alveolar Tree Parts Structures and Walls Anatomy

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Content: • 0:00 Introduction • 0:55 Topography of the Trachea • 1:43 Parts of the Trachea • 2:45 Tracheal Wall • 4:30 Bronchi • 5:25 Foreign Body Aspiration • 6:10 Bronchi (revisited) • 8:22 Bronchial Tree • 9:41 Alveolar Tree • 10:33 Different Types of Epithelium • 10:51 Layers of the Tracheal, Bronchial, and Bronchiolar Wall • ------------------------------- • 🫀 Join:    / @taimtalksmed   • 📷 Follow my IG:   / taimtalksmed   • 💝 Donation link: https://www.buymeacoffee.com/taimtalk... • ------------------------------- • Trachea (Windpipe) • Divides into Bronchi • 9-15 cm long and 2-2,5 cm in diamenter • Skeletopy: C6-7 to T4-5 • Parts of the Trachea • Tracheal Cartilages (Cartilagines tracheales) • Annular Ligaments (Ligamenta Anularia) • Membranous Part (Paries Membranaceus) • Tracheal Bifurcation (Bifurcatio Tracheales) • Carina of Trachea (Carina Tracheae) • Layers of Trachea: • Tunica Mucosa (Contain Tracheal Lymphoid Nodules and Tracheal Glands) (Noduli Lymphoidei Tracheales and Glandula Tracheales) • Tela Submucosa • Tunica Adventitia • Bronchi: • Right Primary (Main) Bronchus (Bronchus Principalis Dexter) is Shorter and wider adn more vertical • Left Primary (Main) Bronchus (Bronchus Principialis Sinister) is Longer and more narrow • Enter the lungs throguh hilum of the lungs (hilum pulmonis) • 3 Right Lobar Bronchi (Bronchi Lobares Dexter) • 2 Left Lobar Bronchi (Bronchi Lobares Dexter) • Superior Lobar Bronchus • Middle Lobar Bronchus • Inferior Lobar Bronchus • Segmental Bronchi (Bronchi Segmentles) • Foreign Body Aspiration: • Inhaling a foregn object into airways • Most commonly fall into the right main bronchus • Bronchial Tree (Arbor Bronchialis): • Left/Right Principal Bronchi • Enters through Pulmonary Hilum (Hilum Pulmonis) • Lobar Bronchi (Bronchi Lobares) • Segmental Bronchi (Bronchi Segmentales) • Terminal Bronchi (Bronchi Terminales) • Respiratory Epithelium becoming cuboidal epithelium • Alveolar Tree (Arbor Alveolaris): • Terminal Bronchioles (Bronchi Terminales) • Respiratory Bronchioles • ○ Primary Bronchiole with Alveoli • ○ Secondary Bronchiole • ○ Tertiar Bronchiole • Alveolar Ducts (Ductus Alveolares) • Alveolar Sacs (Sacculi Alveolares) • Comparing the walls of Trachea, Bronchus and Bronchiole: • Tracheal Wall: • ○ Tunica Mucosa • ○ Tela Submucosa • ○ Tracheal Cartilage • ○ Smooth Muscles (Membranous Part) • ○ Tunica Adventitia • Bronchial Wall • ○ Tunica Mucosa • ○ Tela Submucosa • ○ Fibromusculocartilaginous Layer (Tunica Fibromusculocartilaginea) • ○ Tunica Adventitia • Bronchiolar Wall: • ○ Tunica Mucosa • ○ Tela Submucosa • ○ Tunica Muscularis • ○ Tunica Adventitia • Sources used in this video: • Memorix Anatomy 2nd Edition by Hudák Radovan (Author), Kachlík David (Author), Volný Ondřej (Author) • Biorender • University notes and lectures

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