{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,14]],"date-time":"2025-05-14T01:32:19Z","timestamp":1747186339904,"version":"3.40.5"},"reference-count":13,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2020,7,24]],"date-time":"2020-07-24T00:00:00Z","timestamp":1595548800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Anatomy"],"published-print":{"date-parts":[[2020,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Although left\/right differences in a configuration of the pulmonary artery (PA) and its branches are well known, there is little information as to when and how such differences are established. Examination of serial sagittal sections of 25 embryos and fetuses at 6\u20137\u00a0weeks of gestation demonstrated that, at O\u2019Rahilly stages 18\u201320, the right earliest first branch of PA originated in the anterior side of the upper lobar bronchus and overlay the upper bronchi, in contrast to the left branch which was located posteriorly and constricted medially by the upper posterior bronchus B1\u00a0+\u00a02b. The right earliest branch was most likely to correspond to the future superior trunk, while the left branch might be a lingual artery. At stages 21\u201323, the upper posterior parenchyma was still underdeveloped in the left lung, since the ductus arteriosus and the left common cardinal vein seemed to make the left upper thoracic cavity narrow. Conversely, in the right lung, the thick S2 seemed to require a double arterial supply from both the superior and inferior arterial trunks. On the left, A3 originated at the lung apex and took a long descending course along the lung anterior surface. This high position of A3 might soon be corrected by an increased volume of S3. Overall, in contrast to the lower and middle lobes, early\u2010developed branches of the PA did not accompany upper segmental and subsegmental bronchi. A mechanism \u201cdifferential growth\u201d seemed to explain how to correct the fetal morphology to provide the adult morphology with variations.<\/jats:p>","DOI":"10.1111\/joa.13264","type":"journal-article","created":{"date-parts":[[2020,7,24]],"date-time":"2020-07-24T19:36:01Z","timestamp":1595619361000},"page":"854-860","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Left\/right difference in the course and division of the pulmonary arterial branches in the lung upper lobe: A study using human embryos and early fetuses"],"prefix":"10.1111","volume":"237","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6789-2977","authenticated-orcid":false,"given":"Zhe Wu","family":"Jin","sequence":"first","affiliation":[{"name":"Department of Anatomy Wuxi School of Medicine Jiangnan University Wuxi 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Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5423-4492","authenticated-orcid":false,"given":"Jos\u00e9 Francisco","family":"Rodr\u00edguez\u2010V\u00e1zquez","sequence":"additional","affiliation":[{"name":"Department of Anatomy and Human Embryology Faculty of Medicine Complutense University Madrid Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4632-9736","authenticated-orcid":false,"given":"Shinichi","family":"Abe","sequence":"additional","affiliation":[{"name":"Department of Anatomy Tokyo Dental College Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2020,7,24]]},"reference":[{"volume-title":"Segmental Anatomy of the Lung","year":"1955","author":"Boyden E.A.","key":"e_1_2_7_2_1"},{"key":"e_1_2_7_3_1","first-page":"1","volume-title":"Brennemann\u2019s Practice of Pediatrics","author":"Boyden 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