Lung Segments Anatomy

They are separated from adjacent segments by connective tissue septa and are also surgically resectable. The lungs can be further subdivided into bronchopulmonary segments.

Thorax 10 Airway And Lungs Medicine Md 3001 With Dhaliwal

The upper lobes contains 3 segments the middle lobe lingula 2 and the lower lobes 5.

Lung segments anatomy. Right upper lobe anterior segment. The couinaud classification of liver anatomy divides the liver into eight functionally indepedent segments. Functionally the lung is divided into a series of bronchopulmonary segments.

In the centre of each segment there is a branch of the portal vein hepatic artery and bile duct. 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.

Medial and lateral easy to remember m iddle l obe. Left upper lobe apicoposterior segment. Fissures and lobes of lungs 5.

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. Histopathology of alveoli 7. 28 articles feature images from this case.

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. There are ten bronchopulmonary segments in the right lung. Right upper lobe posterior segment.

Each bronchopulmonary segment is served by corresponding branches of the bronchial tree along with their own arterial supply. Lymphatics of lungs 10. The diaphragm is the flat dome shaped muscle located at the base of the lungs and thoracic cavity.

Hilum and root of lungs 4. Gross anatomy of lungs 2. Right upper lobe apical segment.

The bronchopulmonary segments are the largest subdivision of a lobe. Each segment has its own vascular inflow outflow and biliary drainage. Anatomy of the bronchopulmonary segments.

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. In general each lung has 10 segments. The lungs are pyramid shaped paired organs that are connected to the trachea by the right and left bronchi.

With this basic symmetric anatomy shared between the lungs there are a few differences that can be described. Blood supply of lungs 9. Surfaces and borders of lungs 3.

They are 10 bronchopulmonary segments in the left lung and 8 10 in the left lung. On the inferior surface the lungs are bordered by the diaphragm. Nerve supply of lungs 11.

Gross anatomy of the lungs. The middle lobe on the right has 2 segments.

Bronchopulmonary Segment Wikipedia