Lungs (Structures, Lobes, Coverings and Recesses) - Anatomy

Content:
Introduction 0:00
Lung Function: 0:54
Parts and Surfaces of the Lungs: 02:04
Hilum of the Lung: 03:01
Parts and Surfaces of the Lungs: 04:17
Margins of the Lungs: 4:33
Pulmonary Lobes 5:22
Segments of Right Lung: 6:31
Segments of Left Lung: 7:27
Pleura of the Lungs: 8:20
Mediastinum: 11:01

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Functions of the Lungs:
- Essential Organ of respiration
- Muscles of inspiration
○ Sternocleidomastoideus
○ External Intercostal Muscles
○ Diaphragm
- Muscles of expiration
○ Internal Intercostal Muscles
○ Abdominal Muscles
- Functional Unit of the Lungs
○ Alveolar Sacs (Sacculi Alveolares)
○ Exchanges oxygen with carbon dioxide

Parts and Surfaces of the Lungs:
- Apex of Lung (Apex Pulmonis)
- Ase of Lung (Basis Pulmonis)
- Costal Surface (Facies Costalis)
- Diaphragmatic Surface (Facies Diaphragmatica)
- Mediastinal Surface (Facies Mediastinalis)
- Hilum of Lung (Hilum Pulmonis)
- Pulmonary Ligament (Ligamentum Pulmonalis)
- Root of Lung (Radix Pulmonis)
- Right Lung Hilum: Highest Structure Bronchus, then Pulmonary Arteries then Pulmonary Veins
- Left Lung Hilum: Highest Structure Pulmonary Artery. Bronchus then Pulmonary Veins
- Mnemonic: BRIGHT IS RIGHT
- Interlobar Surface (Facies Iinterlobares)

Margins of the Lungs:
- Inferior Margin (Margo Inferior)
- Anterior Margin (Margo Anterior)
○ Cardiac Notch of Left Lung (Incisura Cardiaca Pulmonis Sinistri)
○ Lingula of Left Lung (Lingula Pulmonis)

Pulmonary Lobes:
- Oblique Fissure (Fissura Obliqua)
- Horizontal Fissure (Fissura Horizontalis)
- Superior Lobe (Lobus Superior)
- Middle Lobe (Lobus Medius)
- Inferior Lobe (Lobus Inferior)

Segments of Right Lung (10):
- Superior Lobe:
○ Apical Segment
○ Posterior Segment
○ Anterior Segment
- Middle Lobe
○ Lateral Segment
○ Medial Segment
- Inferior Lobe
○ Superior Segment
○ Basal Medial
○ Basal Anterior
○ Basal Lateral
○ Basal Posterior

Segments of Left Lung (8 or 9):
- Superior Lobe
○ Apicoposterior
○ Anterior Segment
○ Superior Linguar
○ Inferior Linguar
- Inferior Lobe
○ Superior Segment
○ Basal Anterior
○ Basal Lateral
○ Basal Posterior
○ Basal Medial

Pleura of the Lungs:
- Visceral Pleura (Pleura Visceralis)
- Parietal Pleura (Pleura Parietalis)
○ Costal Part
○ Diaphragmatic Part
○ Mediastinal Part
○ Pleural Part
- Pleural Cavity (Cavitas Pleuralis)
- Pleural Recesses
○ Costodiaphragmatic Recess (Recessus Costodiaphragmaticus)
○ Costomediastinal Recess (Recessus Costomediastinalis)
○ Vertebromediastinal Recess (Recessus Vertebromediastinalis)
○ Phrenicomediastinal Recess (Recessus Phrenicomediastinalis)

Mediastinum
- Superior Mediastinum (mediastinum superius)
- Inferior Mediastinum (mediastinum inferius)
○ Anterior Mediastinum
○ Middle Mediastinum
○ Posterior Mediastinum

Sources used in this video:
- Memorix Anatomy 2nd Edition by Hudák Radovan (Author), Kachlík David (Author), Volný Ondřej (Author)
- Complete Anatomy by 3d4medical
- Biorender
- University notes and lectures
- Snell's Clinical Anatomy 10th Edition

Anatomy of the Lungs