inferior rectal artery in dogs

The inferior rectal artery (inferior hemorrhoidal artery) is an artery that supplies blood to the lower half of the anal canal. [WP,unvetted]. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the inferior rectal artery is

The inferior rectal artery (inferior hemorrhoidal artery) is an artery that supplies blood to the lower half of the anal canal. [WP,unvetted]. The atlas records it as a artery at the organ scale in the dog.

Where the inferior rectal artery is

It sits in the trunk, within the cardiovascular and digestive 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 inferior rectal artery connects to

The atlas records 9 typed relationships for it, across 3 kinds of connection. part of anal canal, anal region and anatomical entity, and 2 more.

Supply and innervation

This dataset asserts no arterial supply, venous drainage or innervation for the inferior rectal artery. 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 arteria haemorrhoidalis inferior, arteria rectalis inferior, inferior haemorrhoidal artery, inferior hemorrhoidal arteries, inferior hemorrhoidal artery and inferior hemorrhoidal branches, and 2 more. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0001357, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

Questions

Where is the inferior rectal artery?

It sits in the trunk, within the cardiovascular and digestive 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 inferior rectal artery connect to?

Part of: anal canal, anal region, anatomical entity, organ and perineum.

Is the inferior rectal artery 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.