Lungs (Function, Parts, Pleura & Recesses) - Anatomy
Content:
0:00 Introduction
0:54 Lung Function
2:04 Parts and Surfaces of the Lungs
3:01 Hilum of the Lung
4:17 Parts and Surfaces of the Lungs (revisited)
4:33 Margins of the Lungs
5:22 Pulmonary Lobes
6:31 Segments of Right Lung
7:27 Segments of Left Lung
8:20 Pleura of the Lungs
11:01 Mediastinum
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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
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