Lung Segments Anatomy
Gross anatomy of lungs 2. Right upper lobe anterior segment.
The middle lobe on the right has 2 segments.
Lung segments anatomy. Hilum and root of lungs 4. Gross anatomy of the lungs. Right upper lobe apical segment.
Functionally the lung is divided into a series of bronchopulmonary segments. They are separated from adjacent segments by connective tissue septa and are also surgically resectable. On the inferior surface the lungs are bordered by the diaphragm.
Each bronchopulmonary segment is served by corresponding branches of the bronchial tree along with their own arterial supply. Left upper lobe apicoposterior segment. The bronchopulmonary segments are the largest subdivision of a lobe.
They are 10 bronchopulmonary segments in the left lung and 8 10 in the left lung. There are ten such segments located within the right lung and roughly 8 9 on the left side as some of the segments may fuse together. Anatomy of the bronchopulmonary segments.
Bilaterally the upper lobes have apical posterior and anterior segments and the lower lobes superior apical and 4 basal segments anterior medial posterior and lateral. Surfaces and borders of lungs 3. The couinaud classification of liver anatomy divides the liver into eight functionally indepedent segments.
In the centre of each segment there is a branch of the portal vein hepatic artery and bile duct. In general each lung has 10 segments. With this basic symmetric anatomy shared between the lungs there are a few differences that can be described.
Each segment has its own vascular inflow outflow and biliary drainage. 28 articles feature images from this case. The lungs can be further subdivided into bronchopulmonary segments.
Fissures and lobes of lungs 5. Right upper lobe posterior segment. There are ten bronchopulmonary segments in the right lung.
Lymphatics of lungs 10. Histopathology of alveoli 7. Three in the superior lobe two in the middle lobe and five in the inferior lobe.
The lingula on the left is part of the left upper lobe and is the equivalent. Blood supply of lungs 9. Medial and lateral easy to remember m iddle l obe.
Some of the segments may fuse in the left lung to form usually eight to nine segments four to five in the upper lobe and four to five in the lower lobe. The upper lobes contains 3 segments the middle lobe lingula 2 and the lower lobes 5. Nerve supply of lungs 11.
The lungs are pyramid shaped paired organs that are connected to the trachea by the right and left bronchi. The diaphragm is the flat dome shaped muscle located at the base of the lungs and thoracic cavity.
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