Axillary Cavity Official

Anatomy, Shoulder and Upper Limb, Axilla - StatPearls - NCBI

: Formed by the subscapularis , teres major , and latissimus dorsi muscles. axillary cavity

The , commonly referred to as the axilla or "armpit," is a four-sided pyramidal space located at the junction of the upper limb and the thorax. It serves as a vital gateway for neurovascular and lymphatic structures traveling between the neck/torso and the upper extremity. Anatomical Boundaries Anatomy, Shoulder and Upper Limb, Axilla - StatPearls

: The top of the pyramid, formed by the first rib , the scapula , and the clavicle . It connects the axilla to the posterior triangle of the neck. Shoulder and Upper Limb