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right pectoralis minor

3D model: right pectoralis minor — 3D models: BodyParts3D, © The Database Center for Life Science licensed under CC Attribution 4.0 International

In 3 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: right third rib, right fourth rib, right fifth rib
Insertion: coracoid process
Action: medial rotation of the pectoral girdle, protraction of the pectoral girdle
Innervation: right medial pectoral nerve
Arterial supply: right 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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Wikipedia (English)

Identifiers

FMA: 13375
Wikidata: Q66508054