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  1. 1 Μαΐ 2021 · The lobar bronchus of the LLL forms four or five segmental bronchi: superior (B6), medial (B7, which may be absent), anterior basal (B8) and lateral and posterior (B9 + B10) frequently with a common origin (Boyden, 1949; Brock, 1954; Ghaye et al., 2001).

  2. Atelectasis is a condition involving the loss of lung volume due to the collapse of alveolar space. Atelectasis can be classified by location (lobe or segment location), amount of lung tissue involved (subsegmental or lobar), or pathophysiologic mechanism (obstructive or nonobstructive).

  3. A bronchopulmonary segment is defined as that area of lung supplied by a principal branch of a lobar bronchus. On this basis, each lung is divided into a convenient number of major segments.

  4. 22 Μαρ 2013 · Foreign Body Aspiration. Aspirated foreign bodies, most of which are located within the right main bronchus, are often food components, as well as broken teeth in adults or small toy parts in children. Affected individuals may present acutely with cough, shortness of breath, hemoptysis, or pneumonia.

  5. 17 Αυγ 2023 · As the main bronchi produce secondary bronchi; this subsequently ramifies into the respective lobar, segmental, and intersegmental divisions. The secondary bronchi supply the lobes of the lung, while the segmental branches will deliver oxygen to the respective segments.

  6. 23 Ιουλ 2024 · The trachea divides at the carina forming the left and right main stem bronchi which enter the lung substance to divide further. This initial division is into secondary or lobar bronchi, but subsequent divisions give rise to smaller and smaller bronchi and bronchioles until the smallest bronchioles connect to the innumerable alveoli.

  7. 7 Νοε 2023 · Atelectasis describes the loss of lung volume due to the collapse of lung tissue. It can be classified according to the pathophysiologic mechanism (eg, compressive atelectasis), the amount of lung involved (eg, lobar, segmental, or subsegmental atelectasis), or the location (ie, specific lobe or segment location).