2024年5月1日 · In the left upper lobe the apical and posterior segment share a common trunk segmental bronchus and are combined into the apicoposterior segment. The lingula is part of the left upper lobe and has a superior/inferior orientation, while the middle lobe on the right is separate from the upper lobe and has a medial/lateral orientation.

一般来说，每个肺有10个肺段：上叶（upper lobes）包含3个肺段，中叶（middle lobe）/舌段（ lingula）有2个和下叶（ lower lobes）有5个。 上叶分为尖段（apical），后段（posterior）和前段（anterior）； 下叶分为背段（superior，或者apical）和4个基底段 [前底段（anterior），内侧底段（medial），后底段（posterior）和外底段（ lateral）]。 右中叶有2个肺段：内侧和外侧。 左侧的舌叶是左上叶的一部分，相当于右侧的中叶，因此它有2个肺段，但在这种情况下，它分为上 …

2023年8月17日 · The pinnacle of the superior lobe forms the apical segment or segment I (S I). Below and posterior to the apical segment is the posterior segment (S II). When viewed from the costal surface, this segment is limited inferiorly by the posterosuperior part of the right oblique fissure and posterior part of the horizontal fissure.

2017年7月13日 · The left upper lobe apicoposterior segment is one of the bronchopulmonary segments of the left upper lobe. As its name suggests, it is the most apical and posterior of the segments within the left upper lobe and is supplied by the left apicoposterior segmental bronchus.

Postural drainage is the positioning of a patient with an involved lung segment such that gravity has a maximal effect of facilitating the drainage of broncho-pulmonary secretions from the tracheobronchial tree. It is based on the concept of gravity-assisted mobilization of secretions and transport it for removal.

Each of the tertiary bronchi serves a specific bronchopulmonary segment. These segments each have their own artery. Thus, each bronchopulmonary segment is supplied by a segmental bronchus, and two arteries, a pulmonary artery and a bronchial artery which run together through the center of the segment.

The left lung has 9 segments: the upper lobe is divided into an apical-posterior segment, an anterior segment, a superior lingular segment and an inferior lingular segment; the lower lobe is divided into a superior segment and three basal (anteromedial, posterior and lateral) segments.

PL.1, Posterior part of posterolateral segment. PL.2, Lateral part of posterolateral segment. A, Apical segment. Ap, Apical part of apicoposterior segment.

Segmental postural drainage is a more selective application of these gravi tational forces to the specific bronchopulmonary segment or segments involved by such diseases. The more accurately one applies the influence of gravity to the specific lung unit and its draining bronchus, the more effective will such treatment be.

Apical-posterior segmental bronchus is separated from the left main bronchus by the left main pulmonary artery, which courses over LUL bronchus at this level LUL pulmonary artery cab be traced to its origin from the left main pulmonary artery and lies posterolateral to …