Horizontal fissure of right lung
Encyclopedia
The horizontal fissure of right lung
(or transverse fissure) is a fissure
separating the superior lobe from the middle lobe.
The left lung
has no middle lobe, so there is no horizontal fissure on that lung.
The Horizontal fissure usually extends from the oblique fissure along the border of the 4th rib.
Right lung
The human right lung is divided into three lobes , superior, middle, and inferior, by two interlobular fissures:-Fissures:...
(or transverse fissure) is a fissure
Fissure
In anatomy, a fissure is a groove, natural division, deep furrow, elongated cleft, or tear in various parts of the body.-Brain:...
separating the superior lobe from the middle lobe.
The left lung
Left lung
The human left lung is divided into two lobes, an upper and a lower, by the oblique fissure, which extends from the costal to the mediastinal surface of the lung both above and below the hilum....
has no middle lobe, so there is no horizontal fissure on that lung.
The Horizontal fissure usually extends from the oblique fissure along the border of the 4th rib.