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KMID : 1237720230560040579
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Anatomy & Cell Biology
2023 Volume.56 No. 4 p.579 ~ p.583
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A marginal branch of the left hepatic artery running along the umbilical vein and supplying the anterior surface of the liver left lobe: a report of 5 cases in 12 Japanese human fetuses
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Kim Ji-Hyun
Shogo Hayashi
Gen Murakami
Jose Francisco Rodriguez-Vazquez
Hiroshi Abe
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Abstract
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In human fetuses, the left hepatic artery (LHA) issues the marginal artery that runs along the umbilical vein and,sometimes, reaches the umbilicus. The further observation demonstrated that, in 5 of 12 Japanese midterm fetuses (crown-rump length mm: 46, 50, 54, 59, 102), the marginal artery issued not only a thin umbilical branch but also a liver parenchymalbranch that took a posterosuperior recurrent course in a peritoneal fold and supplied the anterior surface of the liver left lobe(segment III). However, in 22 Spanish fetuses of which gestational ages corresponded to the Japanese ones, we did not find theparenchymal branch. Therefore, between human populations, there seemed to be a considerable difference in the incidence asto whether or not the marginal artery issues the liver parenchymal branch. The parenchymal branch might be degenerated atthe later stages due to friction between the liver free surface and growing diaphragm.
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KEYWORD
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Left hepatic artery, Umbilical vein, Appendix fibrosa hepatis, Coronary ligament, Human fetus
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