Oct 22, 2024 · Gross anatomy. Each lung has an oblique fissure, also known as the major fissure, that separates the upper lobes from the lower lobes. It extends from the level of the T4/T5 vertebrae posterosuperiorly to the hemidiaphragms anteroinferiorly and …

Oct 11, 2023 · The oblique fissures (also called the major fissures or greater fissures) are bilateral structures in both lungs separating the lung lobes.

Aug 2, 2023 · Accessory fissures of the lung usually occur at the borders of bronchopulmonary segments. They are common normal variants but are less commonly seen on imaging. Some of the more common accessory fissure include 1: azygos fissure: most commonly seen accessory fissure; inferior accessory fissure; superior accessory fissure; left horizontal fissure

Mar 30, 2024 · Gross anatomy. The superior accessory fissure of the right l ower lobe is located in the same plane and posterior to the right transverse (minor) fissure. It separates the right lower lobe into superior (apical) and basal segments 5. This …

Mar 30, 2024 · The left horizontal fissure separates the lingula from the rest of the left upper lobe (anterior-apicoposterior segments). The segmental anatomy of the left lung is preserved, despite the accessory fissure, with the lingula retaining its superior and inferior segments rather than assuming the lateral and medial arrangement of the right middle ...

Nov 4, 2021 · The right lung has 2 fissures: the oblique and horizontal fissures. The right lung contains 3 lobes and 10 bronchopulmonary segments: right upper lobe. apical segment; posterior segment; anterior segment; right middle lobe. lateral segment; medial segment; right lower lobe. superior segment; anterior segment; medial segment; lateral segment ...

Oct 10, 2023 · The horizontal fissure, also called the minor fissure or transverse fissure, is a unilateral structure in the right lung that separates the right middle lobe from the right upper lobe.

Jul 23, 2024 · Bronchopulmonary segmental anatomy describes the division of the lungs into segments based on the tertiary or segmental bronchi.

Nov 15, 2024 · Traversal of lung fissures Transfissural pulmonary diseases occur when a pathological process extends from one lobe via an interlobar fissure into an adjacent lobe 1 . The finding is most commonly due to primary malignancy ; …

Nov 23, 2024 · The azygos lobe is usually well seen on a chest radiograph, delineated by the azygos fissure crossing the right lung apex. The superior portion of the azygos fissure is expanded by extrapleural areolar tissue, forming a triangular shape called the trigonum parietale 5.