portal triad in dogs
A multi-organ-part structure that consists of three vessels of the portal lobule including the bile duct, a terminal branch of the hepatic artery and portal vein, and may also include a lymphatic vessel. Every claim on this page comes from the Leumas anatomy graph and carries its source.
What the portal triad is
A multi-organ-part structure that consists of three vessels of the portal lobule including the bile duct, a terminal branch of the hepatic artery and portal vein, and may also include a lymphatic vessel. The atlas records it as an anatomical structure at the organ scale in the dog.
Where the portal triad is
It sits in the abdomen and trunk, within the digestive and endocrine systems. Not positioned individually. Drawn inside the structure this dataset says contains it — the containment is asserted, the exact spot within it is not.
What the portal triad connects to
The atlas records 8 typed relationships for it, across 4 kinds of connection. part of hepatic acinus.
Supply and innervation
This dataset asserts no arterial supply, venous drainage or innervation for the portal triad. Only a minority of structures carry those edges here, so an empty answer means nothing has been recorded — not that there is nothing to record.
Also called
Also recorded as trias hepatica. Searching any of those names reaches this page.
Source
Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0001279, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.
- Part of: hepatic acinus.
- A kind of: anatomical structure.
- contains: hepatic artery, intrahepatic bile duct, portal vein and interlobular bile duct.
- contributes to morphology of: portal lobule and interlobular bile duct.
Questions
Where is the portal triad?
It sits in the abdomen and trunk, within the digestive and endocrine systems. Not positioned individually. Drawn inside the structure this dataset says contains it — the containment is asserted, the exact spot within it is not.
What does the portal triad connect to?
Part of: hepatic acinus.
Is the portal triad the same in other species?
This page describes the dog. The human record of the same structure sits beside it on /compare, over one shared model rather than two atlases built separately.