Oblique fissure

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Oblique fissure
Illu quiz lung03.jpg
#1 - Anterior border of lung
#2 - Oblique fissure
#3 - Cardiac notch
#4 - Lingula of left lung
Mediastinal surface of left lung.
Latin fissura obliqua pulmonis
Gray's p.1096

In the lung, the oblique fissure (or major fissure) separates the inferior lobe of either lung from the remainder of the lung. (In the right lung, it separates the inferior from the superior and middle lobe; in the left lung it separates the inferior and superior lobe, as there is no middle lobe in the left lung.)

The oblique fissure extends from the spinous process of T2 (posteriorly) to 6th costal cartilage (anteriorly).

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This article incorporates text from a public domain edition of Gray's Anatomy.

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