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  • Title: [Broncho-vascular branching in the sub-segment (author's transl)].
    Author: Klemencic J, Kraus R, Steinau HU, Strnad R.
    Journal: Rofo; 1976 Jan; 124(1):30-2. PubMed ID: 130314.
    Abstract:
    The three pulmonary branching systems in the sub-segment have been studied by making casts. A comparison between them shows considerable differences between the vascular systems and the air passages. The bronchi show two types of branching: we can distinguish between irregular, dichotomous acute angled branching and predominantly regular dichotomous, wide-angled branching. The second type is often found in the bifurcations of large vessels and bronchi in the lung centre, where the lung parenchyma is made to fit into a confined space. Branching of the bronchi is very different from that of the vessels. The characteristic features of the latter are that the lateral branches are more numerous but smaller than the corresponding bronchi and show less contact with the lung periphery.
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