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Segment III Artery
Cardiovascular System

Segment III Artery

Arteria segmentum III

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Quick Facts

Origin: Lateral segmental artery of liver.

Course: Passes inferiorly and to the left.

Branches: None.

Supplied Structures: Liver segment III.

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The segment III artery arises from the lateral segmental artery of liver.


The segment III artery passes inferiorly and to the left. This course takes it in the same direction, but inferior to the segment II artery.

The pattern of segmental artery origins and courses is extremely variable. Most of the research is based on contrast proper hepatic artery arteriography (Furuta et al., 2009; Favelier et al., 2015). The account given is the most common but was found in only 27% of cases in a cadaveric study of 100 livers (Garg et al., 2019).


There are no named branches.

Supplied Structures

The segment III artery supplies segment III of the liver.


Favelier, S., Germain, T., Genson, P. Y., Cercueil, J. P., Denys, A., Krausé, D. and Guiu, B. (2015) 'Anatomy of liver arteries for interventional radiology', Diagn Interv Imaging, 96(6), pp. 537-46.

Furuta, T., Maeda, E., Akai, H., Hanaoka, S., Yoshioka, N., Akahane, M., Watadani, T. and Ohtomo, K. (2009) 'Hepatic Segments and Vasculature: Projecting CT Anatomy onto Angiograms', Radiographics, 29(7), pp. e37.

Garg, S., Sahni, D., Kumar, H., Yadav, T. D., Aggarwal, A. and Gupta, T. (2019) 'The segmental branching of the hepatic arteries in the liver: a cadaveric study', Anat Sci Int, 94(2), pp. 216-223.

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Arteries are vessels transporting blood between heart, tissues, and other organs in order to supply them with nutrition and oxygen.

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