left pectoralis minor
In 2 atlases
Definition
human chest muscle that protracts the shoulder
Source: Wikidata · Licence: CC0-1.0
Description from Wikidata (https://www.wikidata.org/), available under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/).
Relations
- Origin
- left third rib, left fourth rib, left fifth rib
- Insertion
- coracoid process
- Action
- medial rotation of the pectoral girdle, protraction of the pectoral girdle
- Innervation
- left medial pectoral nerve
- Arterial supply
- left thoraco-acromial artery, superior thoracic artery
- Venous drainage
- pectoral veins
The 3D model shows 4 origin and insertion areas of this muscle.
Neighbouring structures
Practice questions
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Identifiers
- FMA
- 13376
- Wikidata
- Q66508055