Pectoral muscle

Definition

This currently groups the major and minor muscles (which have different attachment sites) as well as the AAO structure: Muscle which is comprised of three heads. The anterior head is the portio epicoracoidea that originates on the epicoracoid cartilage and inserts on the deltoid crest of the humerus. The next more posterior head, portio sternalis, originates on the sternum and inserts in the groove next to the deltoid crest of the humerus. The most posterior head, portio abdominalis, arises from the M. rectus abdominis and inserts on the deltoid crest of the humerus

Also known as M. pectoralis, muscle of pectoral part of chest, muscle of pectoral region — per UBERON

The Pectoral muscle is a part of the Muscular.

Also identified as

• MESH D010369 per UBERON
• NCIT C33286 per UBERON
• SCTID 181621006 per UBERON
• UMLS C0030747 per UBERON

Procedures