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![Collaterals in portal hypertension](http://d3e1m60ptf1oym.cloudfront.net/b3b784a8-2652-4739-821f-d614b84e996f/portal_hypertension_and_collaterals_large.jpg)
![Structure of a portal venous system, labeled](http://d3e1m60ptf1oym.cloudfront.net/5d86bdee-6512-4bbe-a952-627498b79f59/portal_systems_labeled_large.jpg)
Structure of a portal venous system, labeled
Configuration of a portal system as opposed to a normal circulatory setup
© Alila Medical Media
Image size: 31.3 Mpixels (89.4 MB uncompressed) - 5001x6251 pixels (16.7x20.8 in / 42.3x52.9 cm at 300 ppi)
![Structure of a portal venous system, unlabeled](http://d3e1m60ptf1oym.cloudfront.net/e90795f7-0f6d-416e-a026-584675621d47/portal_systems_large.jpg)