Axillary Cavity Apr 2026

: Formed by the axillary fascia and the skin of the armpit.

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

: The narrowest part, formed by the intertubercular sulcus (bicipital groove) of the humerus. Core Contents : Formed by the axillary fascia and the skin of the armpit

: 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. formed by the first rib

The axilla is defined by several muscular and skeletal landmarks that shift shape with shoulder movement:

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

: Consists of the serratus anterior muscle and the first four or five ribs.