Definition

1. Noun:
   • The bony arch formed by the collarbones and shoulder blades in humans: The "pectoral arch" is the anatomical structure created by the connection of the clavicles (collarbones) and scapulae (shoulder blades). It forms the skeletal framework of the shoulder region.

Usage Examples

• Noun:
  • The pectoral arch provides attachment points for several important muscles of the arm and chest.
  • An injury to the pectoral arch can significantly limit shoulder mobility.

Advanced Usage

• In anatomical description: The term is used in technical contexts to describe the skeletal structure that supports the shoulder girdle.
  • The study focused on the evolutionary development of the pectoral arch in vertebrates.

Variants and Related Words

• Shoulder girdle (n): A common synonym for the pectoral arch, referring to the set of bones that connect the arm to the axial skeleton.
  • The shoulder girdle consists of the clavicle and scapula.
• Pectoral girdle (n): Another exact synonym for pectoral arch.
  • The muscles stabilize the pectoral girdle during movement.

Synonyms

• Shoulder girdle
• Pectoral girdle

Related Phrases

• Arch of the shoulder: A descriptive phrase for the pectoral arch.
  • The surgeon examined the integrity of the arch of the shoulder.

Noun

1. the bony arch formed by the collarbones and shoulder blades in humans