oblique fissure of lung

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ob·lique fis·sure of lung

[TA]
the deep fissure in each lung that runs obliquely downward and forward. It divides the upper and lower lobes of the left lung and separates the upper and middle lobes from the lower lobe of the right lung.

oblique fissure of lung

In each lung, the deep groove separating the bottom and side of the upper lobe from the top and side of the lower lobe.
See also: fissure
References in periodicals archive ?
For instance, forward movement of the oblique fissure in left upper lobe atelectasis becomes apparent on a lateral chest radiograph.
Elective exploratory thoracotomy was performed and revealed a lesion located in the oblique fissure, attached to the middle lobe with a thin fibrous band.