flexor carpi ulnaris muscle

The flexor carpi ulnaris muscle (FCU) is a muscle of the human forearm that acts to flex and adduct the manus. [WP,unvetted]. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the flexor carpi ulnaris muscle is

The flexor carpi ulnaris muscle (FCU) is a muscle of the human forearm that acts to flex and adduct the manus. [WP,unvetted]. The atlas records it as a muscle at the organ scale in the human body.

Where the flexor carpi ulnaris muscle is

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

What the flexor carpi ulnaris muscle connects to

The atlas records 5 typed relationships for it, across 4 kinds of connection. part of forelimb zeugopod.

Supply and innervation

This dataset asserts no arterial supply, venous drainage or innervation for the flexor carpi ulnaris muscle. 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 flexor carpi ulnaris and musculus flexor carpi ulnaris. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0001522, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• Part of: forelimb zeugopod.
• A kind of: flexor muscle and forelimb zeugopod muscle.
• inserts into: pisiform.
• originates from: entepicondyle of humerus.

Questions

Where is the flexor carpi ulnaris muscle?

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

What does the flexor carpi ulnaris muscle connect to?

Part of: forelimb zeugopod.

Is the flexor carpi ulnaris muscle 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.