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Bronchopulmonary segment

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Title: Bronchopulmonary segment  
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Subject: Bronchus, Eparterial bronchus, Conducting zone, Apex of lung, Root of the lung
Collection: Lung Anatomy
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Bronchopulmonary segment

Bronchopulmonary segment
Bronchopulmonary segments visible but not labeled.
Details
Latin segmenta bronchopulmonalia
Anatomical terminology

A bronchopulmonary segment is a portion of lung supplied by a specific tertiary bronchus (also called a segmental bronchus) and arteries. These arteries branch from the pulmonary and bronchial arteries, and run together through the center of the segment. Veins and lymphatic vessels drain along the edges of the segment. The segments are separated from each other by layers of connective tissue. Each bronchopulmonary segment is a discrete anatomical and functional unit, and this separation means that a bronchopulmonary segment can be surgically removed without affecting the function of the others.

There are 10 bronchopulmonary segments in the right lung: three in the superior lobe, two in the middle lobe, and five in the inferior lobe. Some of the segments may fuse in the left lung to form usually 8-9 segments (4–5 in the upper lobe and 4–5 in the lower lobe).[1]

Delineation of the bronchopulmonary segments was made by Dr. John Franklin Huber, Dr. Chevalier Jackson and Dr. Charles M. Norris at Temple University Hospital.[2]

Contents

  • Right lung 1
  • Left lung 2
  • References 3
  • External links 4

Right lung

  • Superior lobe
    • apical segment
    • posterior segment
    • anterior segment
  • Middle lobe
    • lateral segment
    • medial segment
  • Inferior lobe
    • superior segment
    • medial-basal segment
    • anterior-basal segment
    • lateral-basal segment
    • posterior-basal segment

Left lung

  • Superior lobe
    • apico-posterior segment(merger of "apical" and "posterior")
    • anterior segment
  • Lingula of superior lobe
    • inferior lingular segment
    • superior lingular segment
  • Inferior lobe
    • superior segment
    • anteromedial basal segment (merger of "anterior basal" and "medial basal")
    • posterior basal segment
    • lateral basal segment

References

  1. ^ Drake, Richard L.; Vogl, Wayne; Tibbitts, Adam W.M. Mitchell ; illustrations by Richard; Richardson, Paul (2005). Gray's anatomy for students 2nd Edition (Pbk. ed.). Philadelphia: Elsevier/Churchill Livingstone. p. 240.  
  2. ^ Jackson, Chevalier; Huber, John Franklin (July 1943). "Correlated Applied Anatomy of the Bronchial Tree and Lungs With a System of Nomenclature". CHEST 9 (4): 319–326.  

External links

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