WordNet

a continuous tube formed by a row of elongated cells lacking intervening end walls
an enclosed conduit for a fluid
a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snakes fangs" (同)epithelial duct, canal, channel

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Topographical anatomy of Spiegel's lobe and its adjacent organs in mid-term fetuses: Its implication on the development of the lesser sac and adult morphology of the upper abdomen.

Hwang SE, Cho BH, Hirai I, Kim HT, Kim JH, Fujimiya M, Murakami G, Kimura W.SourceDepartment of Surgery, Medical School, Chonbuk National University, Jeonju, Korea.
Clinical anatomy (New York, N.Y.).Clin Anat.2010 Sep;23(6):712-9.
At 8-16 weeks of gestation, Spiegel's lobe of the caudate lobe appears as a sac-like herniation of the liver parenchyma between the inferior vena cava and ductus venosus or Arantius' duct. In 5 of 11 fetuses at 20-30 weeks of gestation, we found that an external notch was formed into the posterior a
PMID 20821405

Cayol V, Braig S, Noto S, Jannet D, Bouillie J, Marpeau L, Milliez J.SourceService de Gynécologie-Obstétrique, Hôpital Saint-Antoine, Paris.
Journal de gynécologie, obstétrique et biologie de la reproduction.J Gynecol Obstet Biol Reprod (Paris).1997;26(4):430-4.
Looking for the etiology of hydramnios which became symptomatic at 21 weeks' gestation ultrasonography revealed a hepatic vascular abnormality without other symptoms. The suspected diagnosis was agenesis of the ductus venosus with creation of a high grade arteriovenous shunt between the umbilical ve
PMID 9265070

波多野等,大西久仁彦,斉藤正之,中山隆雅,三島昭彦,土屋聖二,野村文夫,河野邦彦,大槻俊夫,大槻俊夫,中嶋征男,奥田邦雄
肝臓 24(11), 1308-1312, 1983
… 通って,門脈より直接下大静脈へ流入することが証明された.超音波検査では,右肋間走査にて,肝の後方を通って門脈から下大静脈に入る大きな導管が認められた.又,下大静脈に挿入されたカテーテルによって,異常血行路内,及びその開口部の直上直下にて血圧,アンモニア,酸素分圧を測定した結果,門脈血がこの異常血行路を通り,下大静脈内に流入したことが示唆され,本例はきわめてまれなArantius管開存症例と考えられた. …
NAID 130000878945