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LUNGS ANATOMY AND ITS CLINICAL ASPECTS.pptx
- 1. LUNGS ANATOMY pair of spongy organs within the thoracic cavity that facilitate gaseous exchange. Parts of the lungs :-Apex and base Borders-Anterior posterior inferior Surface –Costal medial (mediastinal and vertebral) diaphragmatic Fissures-Left lung – oblique Right lung - oblique and horizontal
- 2. The left lung Fissure:-oblique fissure Lobes:- inferior lobe - posteroinferior with respect to the oblique fissure superior lobe- is anterosuperior to the fissure. The inferior lobe is much larger than the superior lobe Hilum of the left lung HEART AORTIC ARCH THORACIC AORTA ESOPHAGOUS
- 3. The Right lung slightly shorter and wider than the left lung Fissures oblique fissure horizontal fissure Lobes superior lobe :-located above the horizontal fissure and anterosuperior to the oblique fissure middle lobe :- smallest of the three right lung lobes inferior lobe:-It is situated behind the oblique fissure.
- 4. Hilum of the right lung HEART INFERIOR VENA CAVA SUPERIOR VENA CAVA AZYGOUS VEIN ESOPHAGOUS
- 5. Vasculature of Lungs 2 sets of Blood Supply Pulmonary vessels:- for the gaseous exchange Bronchial vessels:- for blood supply to lung substance like any other organs PULMONARY VESSELS Pulmonary Artery:- carries unoxygenated blood from heart to the lung Each artey gives lobar and segmental arteries Pulmonary vein:- Carries oxygenated blood from lungs to the heart
- 6. BRONCHIAL VESSELS BRONCHIAL ARTERIES:- CARRY OXYGENATED BLOOD TO TISSUE OF THE LUNGS. LEFT BRONCHIAL ATERIES ARISE FROM THORACIC AORTA RIGHT BRONCHIAL ARTERY ARISE FROM 3RD POSTERIOR INTERCOSTAL ARTERY BRONCHIAL VEIN:- drain to azygous and accessory hemiazygous veins
- 7. ROOTS OF THE LUNGS a principal bronchus on one side the eparterial and hyparterial bronchus on the other side one pulmonary artery two pulmonary veins (superior and inferior) bronchial arteries (one on one side, and two on the other side) bronchial veins anterior and posterior pulmonary nerve plexuses Lymphatics bronchopulmonay lymph nodes areolar tissue
- 8. ARRANGMENTS Ant. To Post.:- pulmonary artery Bronchus Superior pulmonary vein ABOVE TO DOWNWARD Right side :-Eparterial bronchus pulmonary artery hyparterial bronchus inferior pulmonary vein LEFT SIDE :-Pulmonary artery Bronchus Inferior pulmonary vein
- 9. CLINICAL ASPECTS Pleural effusion:-Fluid collects in the space between lung and the chest wall. Mesothelioma:-This is a rare form of cancer that forms on the pleura
- 10. Pneumoconiosis:-Category of conditions caused by inhaling something that injures your lungs. Pulmonary embolism:- a blood clot that blocks and stops blood flow to an artery in the lung.