coracobrachialis muscle

The Coracobrachialis is the smallest of the three muscles that attach to the coracoid process of the scapula. (The other two muscles are pectoralis minor and biceps brachii. ) It is situated at the upper and medial part of the arm. It is perforated by and innervated by the musculocutaneous nerve. [WP,unvetted]. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the coracobrachialis muscle is

The Coracobrachialis is the smallest of the three muscles that attach to the coracoid process of the scapula. (The other two muscles are pectoralis minor and biceps brachii. ) It is situated at the upper and medial part of the arm. It is perforated by and innervated by the musculocutaneous nerve. [WP,unvetted]. The atlas records it as a muscle at the organ scale in the human body.

Where the coracobrachialis muscle is

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

What the coracobrachialis muscle connects to

The atlas records 5 typed relationships for it, across 4 kinds of connection. a kind of forelimb stylopod muscle and muscle of shoulder.

Supply and innervation

Innervation: musculocutaneous nerve.

Also called

Also recorded as Pirogoff's aponeurosis, coracobrachial, coracobrachialis, coracobrachialis muscle and musculus coracobrachialis. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0001505, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• A kind of: forelimb stylopod muscle and muscle of shoulder.
• Innervated by: musculocutaneous nerve.
• inserts into: humerus.
• originates from: coracoid process of scapula.

Questions

Where is the coracobrachialis muscle?

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

What does the coracobrachialis muscle connect to?

A kind of: forelimb stylopod muscle and muscle of shoulder.

Is the coracobrachialis 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.