Fig. 1. A marginal artery of the left hepatic artery to issue a parenchymal branch supplying the anterior surface of the liver left lobe. Sagittal sections from a Japanese fetus of 46 mm crown-rump length. Hematoxylin and eosin staining. (A) 0.6 mm left side of the midsagittal plane, shows a plane slightly medial to (B). (D, F) are higher magnification views of squares in (A, B), respectively. (E) displays an intermediate plane between panels (D, F). (C) 0.2 mm medial to (A), exhibits the longitudinal course of the marginal artery of the left hepatic artery (LHA) along the umbilical vein (UV). The LHA divides into the parenchymal branch (artery) and umbilical branch. The parenchymal branch takes a posterosuperior recurrent course beneath the peritoneum and enters the anterior liver surface (D–F). (A, B) or (C–F) were prepared at the same magnification. Scale bars in (A, C)=1 mm. Antrum, gastric antrum; ES, esophagus; IVC, inferior vena cava; PH, pancreatic head; SMA, superior mesenteric artery; TC, transverse colon. Asterisks (C) indicate artificial separation of tissues during the histological procedure.
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