arm

The part of the forelimb extending from the shoulder to the autopod[cjm]. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the arm is

The part of the forelimb extending from the shoulder to the autopod[cjm]. The atlas records it as a region at the region scale in the human body.

Where the arm is

It sits in the upper limb. Positioned deliberately as part of this species body plan.

What the arm connects to

The atlas records 27 typed relationships for it, across 3 kinds of connection. part of forelimb.

Supply and innervation

This dataset asserts no arterial supply, venous drainage or innervation for the arm. 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 brachium and upper extremity. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0001460, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• Part of: forelimb.
• A kind of: organism subdivision and upper limb segment.
• contains: arm bone, axillary nerve, brachial vein, brachioradialis, cephalic vein and cortex of humerus, and 18 more.

Questions

Where is the arm?

It sits in the upper limb. Positioned deliberately as part of this species body plan.

What does the arm connect to?

Part of: forelimb.

Is the arm the same in other species?

Leumas holds the same relationship vocabulary for every species it carries, so where another dataset records this structure you can put the two side by side on /compare.