Lung Segments Anatomy

Left upper lobe apicoposterior segment. On the inferior surface the lungs are bordered by the diaphragm.

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They are 10 bronchopulmonary segments in the left lung and 8 10 in the left lung.

Lung segments anatomy. Each segment has its own vascular inflow outflow and biliary drainage. 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. 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. Hilum and root of lungs 4. 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.

The upper lobes contains 3 segments the middle lobe lingula 2 and the lower lobes 5. The diaphragm is the flat dome shaped muscle located at the base of the lungs and thoracic cavity. There are ten bronchopulmonary segments in the right lung.

Surfaces and borders of lungs 3. Fissures and lobes of lungs 5. In general each lung has 10 segments.

The lingula on the left is part of the left upper lobe and is the equivalent. 28 articles feature images from this case. Nerve supply of lungs 11.

The lungs are pyramid shaped paired organs that are connected to the trachea by the right and left bronchi. Right upper lobe posterior segment. Gross anatomy of the lungs.

The middle lobe on the right has 2 segments. In the centre of each segment there is a branch of the portal vein hepatic artery and bile duct. Blood supply of lungs 9.

With this basic symmetric anatomy shared between the lungs there are a few differences that can be described. Each bronchopulmonary segment is served by corresponding branches of the bronchial tree along with their own arterial supply. Histopathology of alveoli 7.

Medial and lateral easy to remember m iddle l obe. The lungs can be further subdivided into bronchopulmonary segments. Three in the superior lobe two in the middle lobe and five in the inferior lobe.

The couinaud classification of liver anatomy divides the liver into eight functionally indepedent segments. Anatomy of the bronchopulmonary segments. The bronchopulmonary segments are the largest subdivision of a lobe.

Lymphatics of lungs 10. Gross anatomy of lungs 2. Right upper lobe apical segment.

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. Right upper lobe anterior segment.

Lobes And Segments Of The Lungs Anterior View Of The Lungs