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Branches of the left pulmonary artery supplying the basal segments of the lung
Authors:R Maciejewski
Institution:Department of Human Anatomy, Medical Academy of Lublin, Poland.
Abstract:The studies were carried out on 100 left lungs taken from dead human bodies of both sexes whose age varied from 16 to 80 years. The pulmonary artery and the bronchus were injected with a 65% solution of duracryl and then digested in sulfuric acid. The specimens obtained were then examined to determine the number and dimensions of the branches of the basal portion of the left pulmonary artery penetrating into the basal segments of the left lower pulmonary lobe. Their length was 60 mm at the most, and their diameter 9.8 mm. Three types of ramification of the basal portion of the left pulmonary artery were distinguished on the basis of the trunks, segmental and subsegmental branches present. In 70% of the cases the branches penetrating into the basal segments showed tree-like type, in 3% of the cases showed bushy-like type, and in 27% of the cases middle type.
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