Base of lung

Base of lung
1. Anterior border 2. Mediastinal part 3. Medial surface 4. Inferior lobe 5. Base of lung
1. Apex of lung 2. Superior lobe 3. Costal surface 4. Middle lobe 5. Inferior lobe 6. Base of lung
Details
Identifiers
Latin	Basis pulmonis
Dorlands /Elsevier	b_05/12179255
TA	A06.5.01.004
*Anatomical terminology* [edit on Wikidata]

The base of the lung is broad, concave, and rests upon the convex surface of the diaphragm, which separates the right lung from the right lobe of the liver, and the left lung from the left lobe of the liver, the stomach, and the spleen.

Since the human diaphragm extends higher on the right than on the left side, the concavity on the base of the right lung is deeper than that on the left.

Laterally and behind, the base is bounded by a thin, sharp margin which projects for some distance into the costodiaphragmatic recess of the pleura, between the lower ribs and the costal attachment of the diaphragm.

The base of the lung descends during inspiration and ascends during expiration.

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

External links

Anatomy of the lower respiratory tract

Respiratory tree

Trachea	Tracheal rings Annular ligaments Carina

Bronchi	Main left right Secondary eparterial Tertiary

Lungs

General	Landmarks Base Apex Root Hilum Fissures Horizontal Oblique Superior lobe Lingula of left lung Middle lobe of right lung Inferior lobe

BP segment	Bronchiole: Conducting zone (Terminal bronchiole) Respiratory zone (Respiratory bronchiole Alveolar duct Alveolus Blood-air barrier)

Cells	Alveolar cells Type I Type II Club cell Goblet cell

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Base of lung

See also

References

External links